Home / 13,713.27-20,565.65-4,947.05

Finding the Fourth Proportional to 13,713.27, 20,565.65 and 4,947.05

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Solution

The fourth proportional to 13,713.27, 20,565.65 and 4,947.05 is: 7,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.27 : 20,565.65 = 4,947.05 : x
  2. Step 2: Convert to fraction form
    13,713.27/20,565.65 = 4,947.05/x
  3. Step 3: Cross multiply
    13,713.27x = 20,565.65 × 4,947.05
  4. Step 4: Simplify right side
    13,713.27x = 101,739,171.27
  5. Step 5: Solve for x
    x = 101,739,171.27/13,713.27
  6. Step 6: Final answer
    x = 7,419.03

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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.