Home / 22,282.32-30,749.11-12,210.55

Finding the Fourth Proportional to 22,282.32, 30,749.11 and 12,210.55

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Solution

The fourth proportional to 22,282.32, 30,749.11 and 12,210.55 is: 16,850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.32 : 30,749.11 = 12,210.55 : x
  2. Step 2: Convert to fraction form
    22,282.32/30,749.11 = 12,210.55/x
  3. Step 3: Cross multiply
    22,282.32x = 30,749.11 × 12,210.55
  4. Step 4: Simplify right side
    22,282.32x = 375,463,545.11
  5. Step 5: Solve for x
    x = 375,463,545.11/22,282.32
  6. Step 6: Final answer
    x = 16,850.29

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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.