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Finding the Fourth Proportional to 8,954.52, 13,341.78 and 8,451.50

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Solution

The fourth proportional to 8,954.52, 13,341.78 and 8,451.50 is: 12,592.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.52 : 13,341.78 = 8,451.50 : x
  2. Step 2: Convert to fraction form
    8,954.52/13,341.78 = 8,451.50/x
  3. Step 3: Cross multiply
    8,954.52x = 13,341.78 × 8,451.50
  4. Step 4: Simplify right side
    8,954.52x = 112,758,053.67
  5. Step 5: Solve for x
    x = 112,758,053.67/8,954.52
  6. Step 6: Final answer
    x = 12,592.31

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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.