Home / 22,348.50-30,841.52-12,657.20

Finding the Fourth Proportional to 22,348.50, 30,841.52 and 12,657.20

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Solution

The fourth proportional to 22,348.50, 30,841.52 and 12,657.20 is: 17,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,348.50 : 30,841.52 = 12,657.20 : x
  2. Step 2: Convert to fraction form
    22,348.50/30,841.52 = 12,657.20/x
  3. Step 3: Cross multiply
    22,348.50x = 30,841.52 × 12,657.20
  4. Step 4: Simplify right side
    22,348.50x = 390,367,286.94
  5. Step 5: Solve for x
    x = 390,367,286.94/22,348.50
  6. Step 6: Final answer
    x = 17,467.27

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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.