Home / 14,456.43-19,956.36-8,488.47

Finding the Fourth Proportional to 14,456.43, 19,956.36 and 8,488.47

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Solution

The fourth proportional to 14,456.43, 19,956.36 and 8,488.47 is: 11,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.43 : 19,956.36 = 8,488.47 : x
  2. Step 2: Convert to fraction form
    14,456.43/19,956.36 = 8,488.47/x
  3. Step 3: Cross multiply
    14,456.43x = 19,956.36 × 8,488.47
  4. Step 4: Simplify right side
    14,456.43x = 169,398,963.17
  5. Step 5: Solve for x
    x = 169,398,963.17/14,456.43
  6. Step 6: Final answer
    x = 11,717.90

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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.