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Finding the Fourth Proportional to 9,536.48, 14,239.48 and 8,542.88

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Solution

The fourth proportional to 9,536.48, 14,239.48 and 8,542.88 is: 12,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,536.48 : 14,239.48 = 8,542.88 : x
  2. Step 2: Convert to fraction form
    9,536.48/14,239.48 = 8,542.88/x
  3. Step 3: Cross multiply
    9,536.48x = 14,239.48 × 8,542.88
  4. Step 4: Simplify right side
    9,536.48x = 121,646,168.90
  5. Step 5: Solve for x
    x = 121,646,168.90/9,536.48
  6. Step 6: Final answer
    x = 12,755.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.