Home / 18,209.72-25,130.31-10,252.82

Finding the Fourth Proportional to 18,209.72, 25,130.31 and 10,252.82

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Solution

The fourth proportional to 18,209.72, 25,130.31 and 10,252.82 is: 14,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.72 : 25,130.31 = 10,252.82 : x
  2. Step 2: Convert to fraction form
    18,209.72/25,130.31 = 10,252.82/x
  3. Step 3: Cross multiply
    18,209.72x = 25,130.31 × 10,252.82
  4. Step 4: Simplify right side
    18,209.72x = 257,656,544.97
  5. Step 5: Solve for x
    x = 257,656,544.97/18,209.72
  6. Step 6: Final answer
    x = 14,149.40

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Half scale
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Double scale
Find fourth proportional to 18,210.72, 25,131.69 and 10,253.82
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.