Home / 14,404.74-19,879.29-8,117.70

Finding the Fourth Proportional to 14,404.74, 19,879.29 and 8,117.70

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Solution

The fourth proportional to 14,404.74, 19,879.29 and 8,117.70 is: 11,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.74 : 19,879.29 = 8,117.70 : x
  2. Step 2: Convert to fraction form
    14,404.74/19,879.29 = 8,117.70/x
  3. Step 3: Cross multiply
    14,404.74x = 19,879.29 × 8,117.70
  4. Step 4: Simplify right side
    14,404.74x = 161,374,112.43
  5. Step 5: Solve for x
    x = 161,374,112.43/14,404.74
  6. Step 6: Final answer
    x = 11,202.85

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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.