Home / 11,240.03-15,502.47-7,207.24

Finding the Fourth Proportional to 11,240.03, 15,502.47 and 7,207.24

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Solution

The fourth proportional to 11,240.03, 15,502.47 and 7,207.24 is: 9,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.03 : 15,502.47 = 7,207.24 : x
  2. Step 2: Convert to fraction form
    11,240.03/15,502.47 = 7,207.24/x
  3. Step 3: Cross multiply
    11,240.03x = 15,502.47 × 7,207.24
  4. Step 4: Simplify right side
    11,240.03x = 111,730,021.88
  5. Step 5: Solve for x
    x = 111,730,021.88/11,240.03
  6. Step 6: Final answer
    x = 9,940.37

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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.