Home / 10,502.91-15,754.32-3,107.42

Finding the Fourth Proportional to 10,502.91, 15,754.32 and 3,107.42

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Solution

The fourth proportional to 10,502.91, 15,754.32 and 3,107.42 is: 4,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.91 : 15,754.32 = 3,107.42 : x
  2. Step 2: Convert to fraction form
    10,502.91/15,754.32 = 3,107.42/x
  3. Step 3: Cross multiply
    10,502.91x = 15,754.32 × 3,107.42
  4. Step 4: Simplify right side
    10,502.91x = 48,955,210.28
  5. Step 5: Solve for x
    x = 48,955,210.28/10,502.91
  6. Step 6: Final answer
    x = 4,661.11

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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.