Home / 10,073.60-15,116.32-4,229.76

Finding the Fourth Proportional to 10,073.60, 15,116.32 and 4,229.76

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Solution

The fourth proportional to 10,073.60, 15,116.32 and 4,229.76 is: 6,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.60 : 15,116.32 = 4,229.76 : x
  2. Step 2: Convert to fraction form
    10,073.60/15,116.32 = 4,229.76/x
  3. Step 3: Cross multiply
    10,073.60x = 15,116.32 × 4,229.76
  4. Step 4: Simplify right side
    10,073.60x = 63,938,405.68
  5. Step 5: Solve for x
    x = 63,938,405.68/10,073.60
  6. Step 6: Final answer
    x = 6,347.13

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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.