Home / 18,885.17-28,326.30-5,737.61

Finding the Fourth Proportional to 18,885.17, 28,326.30 and 5,737.61

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Solution

The fourth proportional to 18,885.17, 28,326.30 and 5,737.61 is: 8,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.17 : 28,326.30 = 5,737.61 : x
  2. Step 2: Convert to fraction form
    18,885.17/28,326.30 = 5,737.61/x
  3. Step 3: Cross multiply
    18,885.17x = 28,326.30 × 5,737.61
  4. Step 4: Simplify right side
    18,885.17x = 162,525,262.14
  5. Step 5: Solve for x
    x = 162,525,262.14/18,885.17
  6. Step 6: Final answer
    x = 8,605.97

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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.