Home / 22,307.68-30,785.28-12,236.88

Finding the Fourth Proportional to 22,307.68, 30,785.28 and 12,236.88

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Solution

The fourth proportional to 22,307.68, 30,785.28 and 12,236.88 is: 16,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.68 : 30,785.28 = 12,236.88 : x
  2. Step 2: Convert to fraction form
    22,307.68/30,785.28 = 12,236.88/x
  3. Step 3: Cross multiply
    22,307.68x = 30,785.28 × 12,236.88
  4. Step 4: Simplify right side
    22,307.68x = 376,715,777.13
  5. Step 5: Solve for x
    x = 376,715,777.13/22,307.68
  6. Step 6: Final answer
    x = 16,887.27

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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.