Home / 22,046.46-30,401.37-15,339.66

Finding the Fourth Proportional to 22,046.46, 30,401.37 and 15,339.66

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Solution

The fourth proportional to 22,046.46, 30,401.37 and 15,339.66 is: 21,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,046.46 : 30,401.37 = 15,339.66 : x
  2. Step 2: Convert to fraction form
    22,046.46/30,401.37 = 15,339.66/x
  3. Step 3: Cross multiply
    22,046.46x = 30,401.37 × 15,339.66
  4. Step 4: Simplify right side
    22,046.46x = 466,346,679.33
  5. Step 5: Solve for x
    x = 466,346,679.33/22,046.46
  6. Step 6: Final answer
    x = 21,152.91

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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.