Home / 18,215.49-27,294.45-13,752.03

Finding the Fourth Proportional to 18,215.49, 27,294.45 and 13,752.03

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Solution

The fourth proportional to 18,215.49, 27,294.45 and 13,752.03 is: 20,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.49 : 27,294.45 = 13,752.03 : x
  2. Step 2: Convert to fraction form
    18,215.49/27,294.45 = 13,752.03/x
  3. Step 3: Cross multiply
    18,215.49x = 27,294.45 × 13,752.03
  4. Step 4: Simplify right side
    18,215.49x = 375,354,126.97
  5. Step 5: Solve for x
    x = 375,354,126.97/18,215.49
  6. Step 6: Final answer
    x = 20,606.32

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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.