Home / 15,270.72-22,912.80-7,487.04

Finding the Fourth Proportional to 15,270.72, 22,912.80 and 7,487.04

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Solution

The fourth proportional to 15,270.72, 22,912.80 and 7,487.04 is: 11,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270.72 : 22,912.80 = 7,487.04 : x
  2. Step 2: Convert to fraction form
    15,270.72/22,912.80 = 7,487.04/x
  3. Step 3: Cross multiply
    15,270.72x = 22,912.80 × 7,487.04
  4. Step 4: Simplify right side
    15,270.72x = 171,549,050.11
  5. Step 5: Solve for x
    x = 171,549,050.11/15,270.72
  6. Step 6: Final answer
    x = 11,233.85

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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.