Home / 8,758.06-13,120.16-7,335.59

Finding the Fourth Proportional to 8,758.06, 13,120.16 and 7,335.59

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Solution

The fourth proportional to 8,758.06, 13,120.16 and 7,335.59 is: 10,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.06 : 13,120.16 = 7,335.59 : x
  2. Step 2: Convert to fraction form
    8,758.06/13,120.16 = 7,335.59/x
  3. Step 3: Cross multiply
    8,758.06x = 13,120.16 × 7,335.59
  4. Step 4: Simplify right side
    8,758.06x = 96,244,114.49
  5. Step 5: Solve for x
    x = 96,244,114.49/8,758.06
  6. Step 6: Final answer
    x = 10,989.20

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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.