Home / 15,015.82-22,520.23-5,656.78

Finding the Fourth Proportional to 15,015.82, 22,520.23 and 5,656.78

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Solution

The fourth proportional to 15,015.82, 22,520.23 and 5,656.78 is: 8,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.82 : 22,520.23 = 5,656.78 : x
  2. Step 2: Convert to fraction form
    15,015.82/22,520.23 = 5,656.78/x
  3. Step 3: Cross multiply
    15,015.82x = 22,520.23 × 5,656.78
  4. Step 4: Simplify right side
    15,015.82x = 127,391,986.66
  5. Step 5: Solve for x
    x = 127,391,986.66/15,015.82
  6. Step 6: Final answer
    x = 8,483.85

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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.