Home / 15,248.55-22,875.66-5,385.18

Finding the Fourth Proportional to 15,248.55, 22,875.66 and 5,385.18

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Solution

The fourth proportional to 15,248.55, 22,875.66 and 5,385.18 is: 8,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.55 : 22,875.66 = 5,385.18 : x
  2. Step 2: Convert to fraction form
    15,248.55/22,875.66 = 5,385.18/x
  3. Step 3: Cross multiply
    15,248.55x = 22,875.66 × 5,385.18
  4. Step 4: Simplify right side
    15,248.55x = 123,189,546.72
  5. Step 5: Solve for x
    x = 123,189,546.72/15,248.55
  6. Step 6: Final answer
    x = 8,078.77

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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.