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Finding the Fourth Proportional to 15,002.68, 22,507.26 and 7,611.16

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Solution

The fourth proportional to 15,002.68, 22,507.26 and 7,611.16 is: 11,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.68 : 22,507.26 = 7,611.16 : x
  2. Step 2: Convert to fraction form
    15,002.68/22,507.26 = 7,611.16/x
  3. Step 3: Cross multiply
    15,002.68x = 22,507.26 × 7,611.16
  4. Step 4: Simplify right side
    15,002.68x = 171,306,357.02
  5. Step 5: Solve for x
    x = 171,306,357.02/15,002.68
  6. Step 6: Final answer
    x = 11,418.38

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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.