Home / 18,700.41-28,066.82-9,822

Finding the Fourth Proportional to 18,700.41, 28,066.82 and 9,822

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Solution

The fourth proportional to 18,700.41, 28,066.82 and 9,822 is: 14,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.41 : 28,066.82 = 9,822 : x
  2. Step 2: Convert to fraction form
    18,700.41/28,066.82 = 9,822/x
  3. Step 3: Cross multiply
    18,700.41x = 28,066.82 × 9,822
  4. Step 4: Simplify right side
    18,700.41x = 275,672,306.04
  5. Step 5: Solve for x
    x = 275,672,306.04/18,700.41
  6. Step 6: Final answer
    x = 14,741.51

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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.