Home / 13,230.44-18,248.37-8,758.02

Finding the Fourth Proportional to 13,230.44, 18,248.37 and 8,758.02

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Solution

The fourth proportional to 13,230.44, 18,248.37 and 8,758.02 is: 12,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.44 : 18,248.37 = 8,758.02 : x
  2. Step 2: Convert to fraction form
    13,230.44/18,248.37 = 8,758.02/x
  3. Step 3: Cross multiply
    13,230.44x = 18,248.37 × 8,758.02
  4. Step 4: Simplify right side
    13,230.44x = 159,819,589.43
  5. Step 5: Solve for x
    x = 159,819,589.43/13,230.44
  6. Step 6: Final answer
    x = 12,079.69

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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.