Home / 22,251.88-30,715.26-12,824.20

Finding the Fourth Proportional to 22,251.88, 30,715.26 and 12,824.20

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Solution

The fourth proportional to 22,251.88, 30,715.26 and 12,824.20 is: 17,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.88 : 30,715.26 = 12,824.20 : x
  2. Step 2: Convert to fraction form
    22,251.88/30,715.26 = 12,824.20/x
  3. Step 3: Cross multiply
    22,251.88x = 30,715.26 × 12,824.20
  4. Step 4: Simplify right side
    22,251.88x = 393,898,637.29
  5. Step 5: Solve for x
    x = 393,898,637.29/22,251.88
  6. Step 6: Final answer
    x = 17,701.81

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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.