Home / 10,120.43-15,182.01-9,505.32

Finding the Fourth Proportional to 10,120.43, 15,182.01 and 9,505.32

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Solution

The fourth proportional to 10,120.43, 15,182.01 and 9,505.32 is: 14,259.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.43 : 15,182.01 = 9,505.32 : x
  2. Step 2: Convert to fraction form
    10,120.43/15,182.01 = 9,505.32/x
  3. Step 3: Cross multiply
    10,120.43x = 15,182.01 × 9,505.32
  4. Step 4: Simplify right side
    10,120.43x = 144,309,863.29
  5. Step 5: Solve for x
    x = 144,309,863.29/10,120.43
  6. Step 6: Final answer
    x = 14,259.27

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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.