Home / 10,411.92-15,619.68-4,569.12

Finding the Fourth Proportional to 10,411.92, 15,619.68 and 4,569.12

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Solution

The fourth proportional to 10,411.92, 15,619.68 and 4,569.12 is: 6,854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.92 : 15,619.68 = 4,569.12 : x
  2. Step 2: Convert to fraction form
    10,411.92/15,619.68 = 4,569.12/x
  3. Step 3: Cross multiply
    10,411.92x = 15,619.68 × 4,569.12
  4. Step 4: Simplify right side
    10,411.92x = 71,368,192.28
  5. Step 5: Solve for x
    x = 71,368,192.28/10,411.92
  6. Step 6: Final answer
    x = 6,854.47

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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.