Home / 18,294.48-27,422.46-10,387.08

Finding the Fourth Proportional to 18,294.48, 27,422.46 and 10,387.08

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Solution

The fourth proportional to 18,294.48, 27,422.46 and 10,387.08 is: 15,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.48 : 27,422.46 = 10,387.08 : x
  2. Step 2: Convert to fraction form
    18,294.48/27,422.46 = 10,387.08/x
  3. Step 3: Cross multiply
    18,294.48x = 27,422.46 × 10,387.08
  4. Step 4: Simplify right side
    18,294.48x = 284,839,285.82
  5. Step 5: Solve for x
    x = 284,839,285.82/18,294.48
  6. Step 6: Final answer
    x = 15,569.68

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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.