Home / 22,451.32-30,984.90-12,892.46

Finding the Fourth Proportional to 22,451.32, 30,984.90 and 12,892.46

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Solution

The fourth proportional to 22,451.32, 30,984.90 and 12,892.46 is: 17,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,451.32 : 30,984.90 = 12,892.46 : x
  2. Step 2: Convert to fraction form
    22,451.32/30,984.90 = 12,892.46/x
  3. Step 3: Cross multiply
    22,451.32x = 30,984.90 × 12,892.46
  4. Step 4: Simplify right side
    22,451.32x = 399,471,709.66
  5. Step 5: Solve for x
    x = 399,471,709.66/22,451.32
  6. Step 6: Final answer
    x = 17,792.79

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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.