Home / 10,961.88-15,129.37-6,183.29

Finding the Fourth Proportional to 10,961.88, 15,129.37 and 6,183.29

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Solution

The fourth proportional to 10,961.88, 15,129.37 and 6,183.29 is: 8,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.88 : 15,129.37 = 6,183.29 : x
  2. Step 2: Convert to fraction form
    10,961.88/15,129.37 = 6,183.29/x
  3. Step 3: Cross multiply
    10,961.88x = 15,129.37 × 6,183.29
  4. Step 4: Simplify right side
    10,961.88x = 93,549,191.12
  5. Step 5: Solve for x
    x = 93,549,191.12/10,961.88
  6. Step 6: Final answer
    x = 8,534.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.