Home / 22,197.32-30,631.12-12,125.61

Finding the Fourth Proportional to 22,197.32, 30,631.12 and 12,125.61

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Solution

The fourth proportional to 22,197.32, 30,631.12 and 12,125.61 is: 16,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.32 : 30,631.12 = 12,125.61 : x
  2. Step 2: Convert to fraction form
    22,197.32/30,631.12 = 12,125.61/x
  3. Step 3: Cross multiply
    22,197.32x = 30,631.12 × 12,125.61
  4. Step 4: Simplify right side
    22,197.32x = 371,421,014.98
  5. Step 5: Solve for x
    x = 371,421,014.98/22,197.32
  6. Step 6: Final answer
    x = 16,732.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.