Home / 10,422.20-15,633.30-3,026.90

Finding the Fourth Proportional to 10,422.20, 15,633.30 and 3,026.90

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Solution

The fourth proportional to 10,422.20, 15,633.30 and 3,026.90 is: 4,540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.20 : 15,633.30 = 3,026.90 : x
  2. Step 2: Convert to fraction form
    10,422.20/15,633.30 = 3,026.90/x
  3. Step 3: Cross multiply
    10,422.20x = 15,633.30 × 3,026.90
  4. Step 4: Simplify right side
    10,422.20x = 47,320,435.77
  5. Step 5: Solve for x
    x = 47,320,435.77/10,422.20
  6. Step 6: Final answer
    x = 4,540.35

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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.