Home / 9,864.39-14,789.29-3,621.11

Finding the Fourth Proportional to 9,864.39, 14,789.29 and 3,621.11

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Solution

The fourth proportional to 9,864.39, 14,789.29 and 3,621.11 is: 5,428.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.39 : 14,789.29 = 3,621.11 : x
  2. Step 2: Convert to fraction form
    9,864.39/14,789.29 = 3,621.11/x
  3. Step 3: Cross multiply
    9,864.39x = 14,789.29 × 3,621.11
  4. Step 4: Simplify right side
    9,864.39x = 53,553,645.91
  5. Step 5: Solve for x
    x = 53,553,645.91/9,864.39
  6. Step 6: Final answer
    x = 5,428.99

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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.