Home / 18,209.77-25,129.41-10,252.01

Finding the Fourth Proportional to 18,209.77, 25,129.41 and 10,252.01

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Solution

The fourth proportional to 18,209.77, 25,129.41 and 10,252.01 is: 14,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.77 : 25,129.41 = 10,252.01 : x
  2. Step 2: Convert to fraction form
    18,209.77/25,129.41 = 10,252.01/x
  3. Step 3: Cross multiply
    18,209.77x = 25,129.41 × 10,252.01
  4. Step 4: Simplify right side
    18,209.77x = 257,626,962.61
  5. Step 5: Solve for x
    x = 257,626,962.61/18,209.77
  6. Step 6: Final answer
    x = 14,147.73

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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.