Home / 13,272.78-19,909.17-5,473.02

Finding the Fourth Proportional to 13,272.78, 19,909.17 and 5,473.02

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Solution

The fourth proportional to 13,272.78, 19,909.17 and 5,473.02 is: 8,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.78 : 19,909.17 = 5,473.02 : x
  2. Step 2: Convert to fraction form
    13,272.78/19,909.17 = 5,473.02/x
  3. Step 3: Cross multiply
    13,272.78x = 19,909.17 × 5,473.02
  4. Step 4: Simplify right side
    13,272.78x = 108,963,285.59
  5. Step 5: Solve for x
    x = 108,963,285.59/13,272.78
  6. Step 6: Final answer
    x = 8,209.53

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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.