Home / 22,382.44-30,887.14-12,310.87

Finding the Fourth Proportional to 22,382.44, 30,887.14 and 12,310.87

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Solution

The fourth proportional to 22,382.44, 30,887.14 and 12,310.87 is: 16,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,382.44 : 30,887.14 = 12,310.87 : x
  2. Step 2: Convert to fraction form
    22,382.44/30,887.14 = 12,310.87/x
  3. Step 3: Cross multiply
    22,382.44x = 30,887.14 × 12,310.87
  4. Step 4: Simplify right side
    22,382.44x = 380,247,565.21
  5. Step 5: Solve for x
    x = 380,247,565.21/22,382.44
  6. Step 6: Final answer
    x = 16,988.66

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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.