Home / 10,863.92-16,283.58-7,489.11

Finding the Fourth Proportional to 10,863.92, 16,283.58 and 7,489.11

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Solution

The fourth proportional to 10,863.92, 16,283.58 and 7,489.11 is: 11,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.92 : 16,283.58 = 7,489.11 : x
  2. Step 2: Convert to fraction form
    10,863.92/16,283.58 = 7,489.11/x
  3. Step 3: Cross multiply
    10,863.92x = 16,283.58 × 7,489.11
  4. Step 4: Simplify right side
    10,863.92x = 121,949,505.32
  5. Step 5: Solve for x
    x = 121,949,505.32/10,863.92
  6. Step 6: Final answer
    x = 11,225.18

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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.