Home / 22,433.40-33,633.90-12,575.70

Finding the Fourth Proportional to 22,433.40, 33,633.90 and 12,575.70

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Solution

The fourth proportional to 22,433.40, 33,633.90 and 12,575.70 is: 18,854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,433.40 : 33,633.90 = 12,575.70 : x
  2. Step 2: Convert to fraction form
    22,433.40/33,633.90 = 12,575.70/x
  3. Step 3: Cross multiply
    22,433.40x = 33,633.90 × 12,575.70
  4. Step 4: Simplify right side
    22,433.40x = 422,969,836.23
  5. Step 5: Solve for x
    x = 422,969,836.23/22,433.40
  6. Step 6: Final answer
    x = 18,854.47

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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.