Home / 14,789.70-22,159.47-8,934

Finding the Fourth Proportional to 14,789.70, 22,159.47 and 8,934

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Solution

The fourth proportional to 14,789.70, 22,159.47 and 8,934 is: 13,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.70 : 22,159.47 = 8,934 : x
  2. Step 2: Convert to fraction form
    14,789.70/22,159.47 = 8,934/x
  3. Step 3: Cross multiply
    14,789.70x = 22,159.47 × 8,934
  4. Step 4: Simplify right side
    14,789.70x = 197,972,704.98
  5. Step 5: Solve for x
    x = 197,972,704.98/14,789.70
  6. Step 6: Final answer
    x = 13,385.85

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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.