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Finding the Fourth Proportional to 12,337.08, 17,024.94 and 8,138.04

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Solution

The fourth proportional to 12,337.08, 17,024.94 and 8,138.04 is: 11,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.08 : 17,024.94 = 8,138.04 : x
  2. Step 2: Convert to fraction form
    12,337.08/17,024.94 = 8,138.04/x
  3. Step 3: Cross multiply
    12,337.08x = 17,024.94 × 8,138.04
  4. Step 4: Simplify right side
    12,337.08x = 138,549,642.72
  5. Step 5: Solve for x
    x = 138,549,642.72/12,337.08
  6. Step 6: Final answer
    x = 11,230.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.