Home / 10,411.13-15,618.33-4,489.70

Finding the Fourth Proportional to 10,411.13, 15,618.33 and 4,489.70

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Solution

The fourth proportional to 10,411.13, 15,618.33 and 4,489.70 is: 6,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.13 : 15,618.33 = 4,489.70 : x
  2. Step 2: Convert to fraction form
    10,411.13/15,618.33 = 4,489.70/x
  3. Step 3: Cross multiply
    10,411.13x = 15,618.33 × 4,489.70
  4. Step 4: Simplify right side
    10,411.13x = 70,121,616.20
  5. Step 5: Solve for x
    x = 70,121,616.20/10,411.13
  6. Step 6: Final answer
    x = 6,735.26

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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.