Home / 18,330.40-27,493.98-5,182.48

Finding the Fourth Proportional to 18,330.40, 27,493.98 and 5,182.48

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Solution

The fourth proportional to 18,330.40, 27,493.98 and 5,182.48 is: 7,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.40 : 27,493.98 = 5,182.48 : x
  2. Step 2: Convert to fraction form
    18,330.40/27,493.98 = 5,182.48/x
  3. Step 3: Cross multiply
    18,330.40x = 27,493.98 × 5,182.48
  4. Step 4: Simplify right side
    18,330.40x = 142,487,001.47
  5. Step 5: Solve for x
    x = 142,487,001.47/18,330.40
  6. Step 6: Final answer
    x = 7,773.26

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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.