Home / 9,360.47-13,959.52-7,982.66

Finding the Fourth Proportional to 9,360.47, 13,959.52 and 7,982.66

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Solution

The fourth proportional to 9,360.47, 13,959.52 and 7,982.66 is: 11,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.47 : 13,959.52 = 7,982.66 : x
  2. Step 2: Convert to fraction form
    9,360.47/13,959.52 = 7,982.66/x
  3. Step 3: Cross multiply
    9,360.47x = 13,959.52 × 7,982.66
  4. Step 4: Simplify right side
    9,360.47x = 111,434,101.92
  5. Step 5: Solve for x
    x = 111,434,101.92/9,360.47
  6. Step 6: Final answer
    x = 11,904.75

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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.