Home / 23,221.80-34,818.30-13,356.20

Finding the Fourth Proportional to 23,221.80, 34,818.30 and 13,356.20

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Solution

The fourth proportional to 23,221.80, 34,818.30 and 13,356.20 is: 20,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.80 : 34,818.30 = 13,356.20 : x
  2. Step 2: Convert to fraction form
    23,221.80/34,818.30 = 13,356.20/x
  3. Step 3: Cross multiply
    23,221.80x = 34,818.30 × 13,356.20
  4. Step 4: Simplify right side
    23,221.80x = 465,040,178.46
  5. Step 5: Solve for x
    x = 465,040,178.46/23,221.80
  6. Step 6: Final answer
    x = 20,026.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.