Home / 15,959.40-23,939.10-10,429.80

Finding the Fourth Proportional to 15,959.40, 23,939.10 and 10,429.80

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Solution

The fourth proportional to 15,959.40, 23,939.10 and 10,429.80 is: 15,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.40 : 23,939.10 = 10,429.80 : x
  2. Step 2: Convert to fraction form
    15,959.40/23,939.10 = 10,429.80/x
  3. Step 3: Cross multiply
    15,959.40x = 23,939.10 × 10,429.80
  4. Step 4: Simplify right side
    15,959.40x = 249,680,025.18
  5. Step 5: Solve for x
    x = 249,680,025.18/15,959.40
  6. Step 6: Final answer
    x = 15,644.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.