Home / 10,290.48-15,432.54-3,715.83

Finding the Fourth Proportional to 10,290.48, 15,432.54 and 3,715.83

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Solution

The fourth proportional to 10,290.48, 15,432.54 and 3,715.83 is: 5,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.48 : 15,432.54 = 3,715.83 : x
  2. Step 2: Convert to fraction form
    10,290.48/15,432.54 = 3,715.83/x
  3. Step 3: Cross multiply
    10,290.48x = 15,432.54 × 3,715.83
  4. Step 4: Simplify right side
    10,290.48x = 57,344,695.11
  5. Step 5: Solve for x
    x = 57,344,695.11/10,290.48
  6. Step 6: Final answer
    x = 5,572.60

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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.