Home / 11,751.36-17,610.48-9,275.28

Finding the Fourth Proportional to 11,751.36, 17,610.48 and 9,275.28

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Solution

The fourth proportional to 11,751.36, 17,610.48 and 9,275.28 is: 13,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.36 : 17,610.48 = 9,275.28 : x
  2. Step 2: Convert to fraction form
    11,751.36/17,610.48 = 9,275.28/x
  3. Step 3: Cross multiply
    11,751.36x = 17,610.48 × 9,275.28
  4. Step 4: Simplify right side
    11,751.36x = 163,342,132.93
  5. Step 5: Solve for x
    x = 163,342,132.93/11,751.36
  6. Step 6: Final answer
    x = 13,899.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.