Home / 18,304.83-27,425.92-9,990.69

Finding the Fourth Proportional to 18,304.83, 27,425.92 and 9,990.69

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Solution

The fourth proportional to 18,304.83, 27,425.92 and 9,990.69 is: 14,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.83 : 27,425.92 = 9,990.69 : x
  2. Step 2: Convert to fraction form
    18,304.83/27,425.92 = 9,990.69/x
  3. Step 3: Cross multiply
    18,304.83x = 27,425.92 × 9,990.69
  4. Step 4: Simplify right side
    18,304.83x = 274,003,864.68
  5. Step 5: Solve for x
    x = 274,003,864.68/18,304.83
  6. Step 6: Final answer
    x = 14,968.94

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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.