Home / 11,512.59-15,882.85-8,495.03

Finding the Fourth Proportional to 11,512.59, 15,882.85 and 8,495.03

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Solution

The fourth proportional to 11,512.59, 15,882.85 and 8,495.03 is: 11,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.59 : 15,882.85 = 8,495.03 : x
  2. Step 2: Convert to fraction form
    11,512.59/15,882.85 = 8,495.03/x
  3. Step 3: Cross multiply
    11,512.59x = 15,882.85 × 8,495.03
  4. Step 4: Simplify right side
    11,512.59x = 134,925,337.56
  5. Step 5: Solve for x
    x = 134,925,337.56/11,512.59
  6. Step 6: Final answer
    x = 11,719.81

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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.