Home / 10,983.06-15,159.11-8,588.30

Finding the Fourth Proportional to 10,983.06, 15,159.11 and 8,588.30

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Solution

The fourth proportional to 10,983.06, 15,159.11 and 8,588.30 is: 11,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.06 : 15,159.11 = 8,588.30 : x
  2. Step 2: Convert to fraction form
    10,983.06/15,159.11 = 8,588.30/x
  3. Step 3: Cross multiply
    10,983.06x = 15,159.11 × 8,588.30
  4. Step 4: Simplify right side
    10,983.06x = 130,190,865.68
  5. Step 5: Solve for x
    x = 130,190,865.68/10,983.06
  6. Step 6: Final answer
    x = 11,853.79

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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.