Home / 18,301.04-27,459.56-7,919.60

Finding the Fourth Proportional to 18,301.04, 27,459.56 and 7,919.60

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Solution

The fourth proportional to 18,301.04, 27,459.56 and 7,919.60 is: 11,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.04 : 27,459.56 = 7,919.60 : x
  2. Step 2: Convert to fraction form
    18,301.04/27,459.56 = 7,919.60/x
  3. Step 3: Cross multiply
    18,301.04x = 27,459.56 × 7,919.60
  4. Step 4: Simplify right side
    18,301.04x = 217,468,731.38
  5. Step 5: Solve for x
    x = 217,468,731.38/18,301.04
  6. Step 6: Final answer
    x = 11,882.86

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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.