Home / 18,441.28-27,666.56-5,294.80

Finding the Fourth Proportional to 18,441.28, 27,666.56 and 5,294.80

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Solution

The fourth proportional to 18,441.28, 27,666.56 and 5,294.80 is: 7,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.28 : 27,666.56 = 5,294.80 : x
  2. Step 2: Convert to fraction form
    18,441.28/27,666.56 = 5,294.80/x
  3. Step 3: Cross multiply
    18,441.28x = 27,666.56 × 5,294.80
  4. Step 4: Simplify right side
    18,441.28x = 146,488,901.89
  5. Step 5: Solve for x
    x = 146,488,901.89/18,441.28
  6. Step 6: Final answer
    x = 7,943.53

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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.