Home / 13,713.68-20,542.96-6,307.80

Finding the Fourth Proportional to 13,713.68, 20,542.96 and 6,307.80

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Solution

The fourth proportional to 13,713.68, 20,542.96 and 6,307.80 is: 9,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.68 : 20,542.96 = 6,307.80 : x
  2. Step 2: Convert to fraction form
    13,713.68/20,542.96 = 6,307.80/x
  3. Step 3: Cross multiply
    13,713.68x = 20,542.96 × 6,307.80
  4. Step 4: Simplify right side
    13,713.68x = 129,580,883.09
  5. Step 5: Solve for x
    x = 129,580,883.09/13,713.68
  6. Step 6: Final answer
    x = 9,449.02

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1.5x scale

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.