Home / 18,600.30-27,897.36-6,120.47

Finding the Fourth Proportional to 18,600.30, 27,897.36 and 6,120.47

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Solution

The fourth proportional to 18,600.30, 27,897.36 and 6,120.47 is: 9,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.30 : 27,897.36 = 6,120.47 : x
  2. Step 2: Convert to fraction form
    18,600.30/27,897.36 = 6,120.47/x
  3. Step 3: Cross multiply
    18,600.30x = 27,897.36 × 6,120.47
  4. Step 4: Simplify right side
    18,600.30x = 170,745,001.75
  5. Step 5: Solve for x
    x = 170,745,001.75/18,600.30
  6. Step 6: Final answer
    x = 9,179.69

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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.