Home / 13,264.68-19,897.56-5,472.75

Finding the Fourth Proportional to 13,264.68, 19,897.56 and 5,472.75

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Solution

The fourth proportional to 13,264.68, 19,897.56 and 5,472.75 is: 8,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.68 : 19,897.56 = 5,472.75 : x
  2. Step 2: Convert to fraction form
    13,264.68/19,897.56 = 5,472.75/x
  3. Step 3: Cross multiply
    13,264.68x = 19,897.56 × 5,472.75
  4. Step 4: Simplify right side
    13,264.68x = 108,894,371.49
  5. Step 5: Solve for x
    x = 108,894,371.49/13,264.68
  6. Step 6: Final answer
    x = 8,209.35

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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.