Home / 11,057.18-15,243.90-7,514.24

Finding the Fourth Proportional to 11,057.18, 15,243.90 and 7,514.24

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Solution

The fourth proportional to 11,057.18, 15,243.90 and 7,514.24 is: 10,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.18 : 15,243.90 = 7,514.24 : x
  2. Step 2: Convert to fraction form
    11,057.18/15,243.90 = 7,514.24/x
  3. Step 3: Cross multiply
    11,057.18x = 15,243.90 × 7,514.24
  4. Step 4: Simplify right side
    11,057.18x = 114,546,323.14
  5. Step 5: Solve for x
    x = 114,546,323.14/11,057.18
  6. Step 6: Final answer
    x = 10,359.45

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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.