Home / 9,679.11-14,519.57-2,659.20

Finding the Fourth Proportional to 9,679.11, 14,519.57 and 2,659.20

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Solution

The fourth proportional to 9,679.11, 14,519.57 and 2,659.20 is: 3,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679.11 : 14,519.57 = 2,659.20 : x
  2. Step 2: Convert to fraction form
    9,679.11/14,519.57 = 2,659.20/x
  3. Step 3: Cross multiply
    9,679.11x = 14,519.57 × 2,659.20
  4. Step 4: Simplify right side
    9,679.11x = 38,610,427.25
  5. Step 5: Solve for x
    x = 38,610,427.25/9,679.11
  6. Step 6: Final answer
    x = 3,989.05

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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.