Home / 12,050.87-18,081.61-4,154.58

Finding the Fourth Proportional to 12,050.87, 18,081.61 and 4,154.58

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Solution

The fourth proportional to 12,050.87, 18,081.61 and 4,154.58 is: 6,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,050.87 : 18,081.61 = 4,154.58 : x
  2. Step 2: Convert to fraction form
    12,050.87/18,081.61 = 4,154.58/x
  3. Step 3: Cross multiply
    12,050.87x = 18,081.61 × 4,154.58
  4. Step 4: Simplify right side
    12,050.87x = 75,121,508.26
  5. Step 5: Solve for x
    x = 75,121,508.26/12,050.87
  6. Step 6: Final answer
    x = 6,233.70

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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.