Home / 12,324.28-18,482.77-3,559.27

Finding the Fourth Proportional to 12,324.28, 18,482.77 and 3,559.27

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Solution

The fourth proportional to 12,324.28, 18,482.77 and 3,559.27 is: 5,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.28 : 18,482.77 = 3,559.27 : x
  2. Step 2: Convert to fraction form
    12,324.28/18,482.77 = 3,559.27/x
  3. Step 3: Cross multiply
    12,324.28x = 18,482.77 × 3,559.27
  4. Step 4: Simplify right side
    12,324.28x = 65,785,168.78
  5. Step 5: Solve for x
    x = 65,785,168.78/12,324.28
  6. Step 6: Final answer
    x = 5,337.85

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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.