Home / 11,150.24-15,381.60-7,424.96

Finding the Fourth Proportional to 11,150.24, 15,381.60 and 7,424.96

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Solution

The fourth proportional to 11,150.24, 15,381.60 and 7,424.96 is: 10,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.24 : 15,381.60 = 7,424.96 : x
  2. Step 2: Convert to fraction form
    11,150.24/15,381.60 = 7,424.96/x
  3. Step 3: Cross multiply
    11,150.24x = 15,381.60 × 7,424.96
  4. Step 4: Simplify right side
    11,150.24x = 114,207,764.74
  5. Step 5: Solve for x
    x = 114,207,764.74/11,150.24
  6. Step 6: Final answer
    x = 10,242.63

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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.