Home / 22,076.38-30,465.40-12,645.55

Finding the Fourth Proportional to 22,076.38, 30,465.40 and 12,645.55

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Solution

The fourth proportional to 22,076.38, 30,465.40 and 12,645.55 is: 17,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,076.38 : 30,465.40 = 12,645.55 : x
  2. Step 2: Convert to fraction form
    22,076.38/30,465.40 = 12,645.55/x
  3. Step 3: Cross multiply
    22,076.38x = 30,465.40 × 12,645.55
  4. Step 4: Simplify right side
    22,076.38x = 385,251,586.64
  5. Step 5: Solve for x
    x = 385,251,586.64/22,076.38
  6. Step 6: Final answer
    x = 17,450.85

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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.