Home / 22,197.15-30,631.89-12,125.60

Finding the Fourth Proportional to 22,197.15, 30,631.89 and 12,125.60

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Solution

The fourth proportional to 22,197.15, 30,631.89 and 12,125.60 is: 16,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.15 : 30,631.89 = 12,125.60 : x
  2. Step 2: Convert to fraction form
    22,197.15/30,631.89 = 12,125.60/x
  3. Step 3: Cross multiply
    22,197.15x = 30,631.89 × 12,125.60
  4. Step 4: Simplify right side
    22,197.15x = 371,429,892.22
  5. Step 5: Solve for x
    x = 371,429,892.22/22,197.15
  6. Step 6: Final answer
    x = 16,733.22

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1.5x scale

Why These Related Problems?

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