Home / 22,254.20-30,714.30-13,308.68

Finding the Fourth Proportional to 22,254.20, 30,714.30 and 13,308.68

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Solution

The fourth proportional to 22,254.20, 30,714.30 and 13,308.68 is: 18,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.20 : 30,714.30 = 13,308.68 : x
  2. Step 2: Convert to fraction form
    22,254.20/30,714.30 = 13,308.68/x
  3. Step 3: Cross multiply
    22,254.20x = 30,714.30 × 13,308.68
  4. Step 4: Simplify right side
    22,254.20x = 408,766,790.12
  5. Step 5: Solve for x
    x = 408,766,790.12/22,254.20
  6. Step 6: Final answer
    x = 18,368.07

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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.