Home / 22,221.72-30,652.65-14,668.20

Finding the Fourth Proportional to 22,221.72, 30,652.65 and 14,668.20

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Solution

The fourth proportional to 22,221.72, 30,652.65 and 14,668.20 is: 20,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221.72 : 30,652.65 = 14,668.20 : x
  2. Step 2: Convert to fraction form
    22,221.72/30,652.65 = 14,668.20/x
  3. Step 3: Cross multiply
    22,221.72x = 30,652.65 × 14,668.20
  4. Step 4: Simplify right side
    22,221.72x = 449,619,200.73
  5. Step 5: Solve for x
    x = 449,619,200.73/22,221.72
  6. Step 6: Final answer
    x = 20,233.32

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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.