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Finding the Fourth Proportional to 15,671.32, 23,500.04 and 7,344.60

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Solution

The fourth proportional to 15,671.32, 23,500.04 and 7,344.60 is: 11,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.32 : 23,500.04 = 7,344.60 : x
  2. Step 2: Convert to fraction form
    15,671.32/23,500.04 = 7,344.60/x
  3. Step 3: Cross multiply
    15,671.32x = 23,500.04 × 7,344.60
  4. Step 4: Simplify right side
    15,671.32x = 172,598,393.78
  5. Step 5: Solve for x
    x = 172,598,393.78/15,671.32
  6. Step 6: Final answer
    x = 11,013.65

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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.