Home / 10,261.80-15,391.62-4,417.56

Finding the Fourth Proportional to 10,261.80, 15,391.62 and 4,417.56

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Solution

The fourth proportional to 10,261.80, 15,391.62 and 4,417.56 is: 6,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.80 : 15,391.62 = 4,417.56 : x
  2. Step 2: Convert to fraction form
    10,261.80/15,391.62 = 4,417.56/x
  3. Step 3: Cross multiply
    10,261.80x = 15,391.62 × 4,417.56
  4. Step 4: Simplify right side
    10,261.80x = 67,993,404.85
  5. Step 5: Solve for x
    x = 67,993,404.85/10,261.80
  6. Step 6: Final answer
    x = 6,625.88

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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.