Home / 9,945.80-13,726.40-5,966.76

Finding the Fourth Proportional to 9,945.80, 13,726.40 and 5,966.76

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Solution

The fourth proportional to 9,945.80, 13,726.40 and 5,966.76 is: 8,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.80 : 13,726.40 = 5,966.76 : x
  2. Step 2: Convert to fraction form
    9,945.80/13,726.40 = 5,966.76/x
  3. Step 3: Cross multiply
    9,945.80x = 13,726.40 × 5,966.76
  4. Step 4: Simplify right side
    9,945.80x = 81,902,134.46
  5. Step 5: Solve for x
    x = 81,902,134.46/9,945.80
  6. Step 6: Final answer
    x = 8,234.85

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1.5x scale

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.