Home / 13,377.69-18,470.24-11,956.83

Finding the Fourth Proportional to 13,377.69, 18,470.24 and 11,956.83

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Solution

The fourth proportional to 13,377.69, 18,470.24 and 11,956.83 is: 16,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.69 : 18,470.24 = 11,956.83 : x
  2. Step 2: Convert to fraction form
    13,377.69/18,470.24 = 11,956.83/x
  3. Step 3: Cross multiply
    13,377.69x = 18,470.24 × 11,956.83
  4. Step 4: Simplify right side
    13,377.69x = 220,845,435.53
  5. Step 5: Solve for x
    x = 220,845,435.53/13,377.69
  6. Step 6: Final answer
    x = 16,508.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.