Home / 11,120.14-15,346.38-6,340.24

Finding the Fourth Proportional to 11,120.14, 15,346.38 and 6,340.24

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Solution

The fourth proportional to 11,120.14, 15,346.38 and 6,340.24 is: 8,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.14 : 15,346.38 = 6,340.24 : x
  2. Step 2: Convert to fraction form
    11,120.14/15,346.38 = 6,340.24/x
  3. Step 3: Cross multiply
    11,120.14x = 15,346.38 × 6,340.24
  4. Step 4: Simplify right side
    11,120.14x = 97,299,732.33
  5. Step 5: Solve for x
    x = 97,299,732.33/11,120.14
  6. Step 6: Final answer
    x = 8,749.87

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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.