Home / 13,239.52-19,854.96-4,472.80

Finding the Fourth Proportional to 13,239.52, 19,854.96 and 4,472.80

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Solution

The fourth proportional to 13,239.52, 19,854.96 and 4,472.80 is: 6,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.52 : 19,854.96 = 4,472.80 : x
  2. Step 2: Convert to fraction form
    13,239.52/19,854.96 = 4,472.80/x
  3. Step 3: Cross multiply
    13,239.52x = 19,854.96 × 4,472.80
  4. Step 4: Simplify right side
    13,239.52x = 88,807,265.09
  5. Step 5: Solve for x
    x = 88,807,265.09/13,239.52
  6. Step 6: Final answer
    x = 6,707.74

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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.