Home / 10,074.16-15,113.67-3,499.39

Finding the Fourth Proportional to 10,074.16, 15,113.67 and 3,499.39

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Solution

The fourth proportional to 10,074.16, 15,113.67 and 3,499.39 is: 5,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.16 : 15,113.67 = 3,499.39 : x
  2. Step 2: Convert to fraction form
    10,074.16/15,113.67 = 3,499.39/x
  3. Step 3: Cross multiply
    10,074.16x = 15,113.67 × 3,499.39
  4. Step 4: Simplify right side
    10,074.16x = 52,888,625.66
  5. Step 5: Solve for x
    x = 52,888,625.66/10,074.16
  6. Step 6: Final answer
    x = 5,249.93

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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.