Home / 13,241.32-18,273.10-7,272.88

Finding the Fourth Proportional to 13,241.32, 18,273.10 and 7,272.88

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Solution

The fourth proportional to 13,241.32, 18,273.10 and 7,272.88 is: 10,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.32 : 18,273.10 = 7,272.88 : x
  2. Step 2: Convert to fraction form
    13,241.32/18,273.10 = 7,272.88/x
  3. Step 3: Cross multiply
    13,241.32x = 18,273.10 × 7,272.88
  4. Step 4: Simplify right side
    13,241.32x = 132,898,063.53
  5. Step 5: Solve for x
    x = 132,898,063.53/13,241.32
  6. Step 6: Final answer
    x = 10,036.62

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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.