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Finding the Fourth Proportional to 17,000.20, 25,500.12 and 5,313.52

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Solution

The fourth proportional to 17,000.20, 25,500.12 and 5,313.52 is: 7,970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.20 : 25,500.12 = 5,313.52 : x
  2. Step 2: Convert to fraction form
    17,000.20/25,500.12 = 5,313.52/x
  3. Step 3: Cross multiply
    17,000.20x = 25,500.12 × 5,313.52
  4. Step 4: Simplify right side
    17,000.20x = 135,495,397.62
  5. Step 5: Solve for x
    x = 135,495,397.62/17,000.20
  6. Step 6: Final answer
    x = 7,970.22

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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.