Home / 22,267.50-30,729.18-12,836.70

Finding the Fourth Proportional to 22,267.50, 30,729.18 and 12,836.70

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Solution

The fourth proportional to 22,267.50, 30,729.18 and 12,836.70 is: 17,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,267.50 : 30,729.18 = 12,836.70 : x
  2. Step 2: Convert to fraction form
    22,267.50/30,729.18 = 12,836.70/x
  3. Step 3: Cross multiply
    22,267.50x = 30,729.18 × 12,836.70
  4. Step 4: Simplify right side
    22,267.50x = 394,461,264.91
  5. Step 5: Solve for x
    x = 394,461,264.91/22,267.50
  6. Step 6: Final answer
    x = 17,714.66

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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.