Home / 12,049.05-18,050.16-8,880.75

Finding the Fourth Proportional to 12,049.05, 18,050.16 and 8,880.75

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Solution

The fourth proportional to 12,049.05, 18,050.16 and 8,880.75 is: 13,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.05 : 18,050.16 = 8,880.75 : x
  2. Step 2: Convert to fraction form
    12,049.05/18,050.16 = 8,880.75/x
  3. Step 3: Cross multiply
    12,049.05x = 18,050.16 × 8,880.75
  4. Step 4: Simplify right side
    12,049.05x = 160,298,958.42
  5. Step 5: Solve for x
    x = 160,298,958.42/12,049.05
  6. Step 6: Final answer
    x = 13,303.87

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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.