Home / 12,479.79-18,732.33-6,244.26

Finding the Fourth Proportional to 12,479.79, 18,732.33 and 6,244.26

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Solution

The fourth proportional to 12,479.79, 18,732.33 and 6,244.26 is: 9,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479.79 : 18,732.33 = 6,244.26 : x
  2. Step 2: Convert to fraction form
    12,479.79/18,732.33 = 6,244.26/x
  3. Step 3: Cross multiply
    12,479.79x = 18,732.33 × 6,244.26
  4. Step 4: Simplify right side
    12,479.79x = 116,969,538.93
  5. Step 5: Solve for x
    x = 116,969,538.93/12,479.79
  6. Step 6: Final answer
    x = 9,372.72

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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.