Home / 11,421.75-17,040.48-10,175.16

Finding the Fourth Proportional to 11,421.75, 17,040.48 and 10,175.16

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Solution

The fourth proportional to 11,421.75, 17,040.48 and 10,175.16 is: 15,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.75 : 17,040.48 = 10,175.16 : x
  2. Step 2: Convert to fraction form
    11,421.75/17,040.48 = 10,175.16/x
  3. Step 3: Cross multiply
    11,421.75x = 17,040.48 × 10,175.16
  4. Step 4: Simplify right side
    11,421.75x = 173,389,610.48
  5. Step 5: Solve for x
    x = 173,389,610.48/11,421.75
  6. Step 6: Final answer
    x = 15,180.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.