Home / 12,310.44-18,475.35-4,521.48

Finding the Fourth Proportional to 12,310.44, 18,475.35 and 4,521.48

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Solution

The fourth proportional to 12,310.44, 18,475.35 and 4,521.48 is: 6,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.44 : 18,475.35 = 4,521.48 : x
  2. Step 2: Convert to fraction form
    12,310.44/18,475.35 = 4,521.48/x
  3. Step 3: Cross multiply
    12,310.44x = 18,475.35 × 4,521.48
  4. Step 4: Simplify right side
    12,310.44x = 83,535,925.52
  5. Step 5: Solve for x
    x = 83,535,925.52/12,310.44
  6. Step 6: Final answer
    x = 6,785.78

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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.