Home / 12,744.67-19,116.60-4,423.90

Finding the Fourth Proportional to 12,744.67, 19,116.60 and 4,423.90

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Solution

The fourth proportional to 12,744.67, 19,116.60 and 4,423.90 is: 6,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.67 : 19,116.60 = 4,423.90 : x
  2. Step 2: Convert to fraction form
    12,744.67/19,116.60 = 4,423.90/x
  3. Step 3: Cross multiply
    12,744.67x = 19,116.60 × 4,423.90
  4. Step 4: Simplify right side
    12,744.67x = 84,569,926.74
  5. Step 5: Solve for x
    x = 84,569,926.74/12,744.67
  6. Step 6: Final answer
    x = 6,635.71

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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.