Home / 18,801.32-25,945.72-10,417.80

Finding the Fourth Proportional to 18,801.32, 25,945.72 and 10,417.80

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Solution

The fourth proportional to 18,801.32, 25,945.72 and 10,417.80 is: 14,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.32 : 25,945.72 = 10,417.80 : x
  2. Step 2: Convert to fraction form
    18,801.32/25,945.72 = 10,417.80/x
  3. Step 3: Cross multiply
    18,801.32x = 25,945.72 × 10,417.80
  4. Step 4: Simplify right side
    18,801.32x = 270,297,321.82
  5. Step 5: Solve for x
    x = 270,297,321.82/18,801.32
  6. Step 6: Final answer
    x = 14,376.51

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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.