Home / 11,134.81-15,359.22-8,741.19

Finding the Fourth Proportional to 11,134.81, 15,359.22 and 8,741.19

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Solution

The fourth proportional to 11,134.81, 15,359.22 and 8,741.19 is: 12,057.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.81 : 15,359.22 = 8,741.19 : x
  2. Step 2: Convert to fraction form
    11,134.81/15,359.22 = 8,741.19/x
  3. Step 3: Cross multiply
    11,134.81x = 15,359.22 × 8,741.19
  4. Step 4: Simplify right side
    11,134.81x = 134,257,860.27
  5. Step 5: Solve for x
    x = 134,257,860.27/11,134.81
  6. Step 6: Final answer
    x = 12,057.49

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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.