Home / 10,747.13-16,121.60-2,955.95

Finding the Fourth Proportional to 10,747.13, 16,121.60 and 2,955.95

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Solution

The fourth proportional to 10,747.13, 16,121.60 and 2,955.95 is: 4,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.13 : 16,121.60 = 2,955.95 : x
  2. Step 2: Convert to fraction form
    10,747.13/16,121.60 = 2,955.95/x
  3. Step 3: Cross multiply
    10,747.13x = 16,121.60 × 2,955.95
  4. Step 4: Simplify right side
    10,747.13x = 47,654,548.13
  5. Step 5: Solve for x
    x = 47,654,548.13/10,747.13
  6. Step 6: Final answer
    x = 4,434.17

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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.