Home / 10,074.06-15,091.38-6,600.78

Finding the Fourth Proportional to 10,074.06, 15,091.38 and 6,600.78

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Solution

The fourth proportional to 10,074.06, 15,091.38 and 6,600.78 is: 9,888.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.06 : 15,091.38 = 6,600.78 : x
  2. Step 2: Convert to fraction form
    10,074.06/15,091.38 = 6,600.78/x
  3. Step 3: Cross multiply
    10,074.06x = 15,091.38 × 6,600.78
  4. Step 4: Simplify right side
    10,074.06x = 99,614,879.28
  5. Step 5: Solve for x
    x = 99,614,879.28/10,074.06
  6. Step 6: Final answer
    x = 9,888.26

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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.