Home / 10,663.30-14,721.36-7,394.95

Finding the Fourth Proportional to 10,663.30, 14,721.36 and 7,394.95

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Solution

The fourth proportional to 10,663.30, 14,721.36 and 7,394.95 is: 10,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.30 : 14,721.36 = 7,394.95 : x
  2. Step 2: Convert to fraction form
    10,663.30/14,721.36 = 7,394.95/x
  3. Step 3: Cross multiply
    10,663.30x = 14,721.36 × 7,394.95
  4. Step 4: Simplify right side
    10,663.30x = 108,863,721.13
  5. Step 5: Solve for x
    x = 108,863,721.13/10,663.30
  6. Step 6: Final answer
    x = 10,209.20

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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.