Home / 11,094.60-15,313.12-7,318.44

Finding the Fourth Proportional to 11,094.60, 15,313.12 and 7,318.44

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Solution

The fourth proportional to 11,094.60, 15,313.12 and 7,318.44 is: 10,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,094.60 : 15,313.12 = 7,318.44 : x
  2. Step 2: Convert to fraction form
    11,094.60/15,313.12 = 7,318.44/x
  3. Step 3: Cross multiply
    11,094.60x = 15,313.12 × 7,318.44
  4. Step 4: Simplify right side
    11,094.60x = 112,068,149.93
  5. Step 5: Solve for x
    x = 112,068,149.93/11,094.60
  6. Step 6: Final answer
    x = 10,101.14

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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.