Home / 13,272.87-18,316.85-7,304.85

Finding the Fourth Proportional to 13,272.87, 18,316.85 and 7,304.85

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Solution

The fourth proportional to 13,272.87, 18,316.85 and 7,304.85 is: 10,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.87 : 18,316.85 = 7,304.85 : x
  2. Step 2: Convert to fraction form
    13,272.87/18,316.85 = 7,304.85/x
  3. Step 3: Cross multiply
    13,272.87x = 18,316.85 × 7,304.85
  4. Step 4: Simplify right side
    13,272.87x = 133,801,805.20
  5. Step 5: Solve for x
    x = 133,801,805.20/13,272.87
  6. Step 6: Final answer
    x = 10,080.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.