Home / 22,330.40-33,452.06-12,439.90

Finding the Fourth Proportional to 22,330.40, 33,452.06 and 12,439.90

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Solution

The fourth proportional to 22,330.40, 33,452.06 and 12,439.90 is: 18,635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.40 : 33,452.06 = 12,439.90 : x
  2. Step 2: Convert to fraction form
    22,330.40/33,452.06 = 12,439.90/x
  3. Step 3: Cross multiply
    22,330.40x = 33,452.06 × 12,439.90
  4. Step 4: Simplify right side
    22,330.40x = 416,140,281.19
  5. Step 5: Solve for x
    x = 416,140,281.19/22,330.40
  6. Step 6: Final answer
    x = 18,635.59

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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.