Home / 13,713.52-20,566.02-4,947.30

Finding the Fourth Proportional to 13,713.52, 20,566.02 and 4,947.30

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Solution

The fourth proportional to 13,713.52, 20,566.02 and 4,947.30 is: 7,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.52 : 20,566.02 = 4,947.30 : x
  2. Step 2: Convert to fraction form
    13,713.52/20,566.02 = 4,947.30/x
  3. Step 3: Cross multiply
    13,713.52x = 20,566.02 × 4,947.30
  4. Step 4: Simplify right side
    13,713.52x = 101,746,167.92
  5. Step 5: Solve for x
    x = 101,746,167.92/13,713.52
  6. Step 6: Final answer
    x = 7,419.41

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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.