Home / 14,110.91-21,170.48-6,317.90

Finding the Fourth Proportional to 14,110.91, 21,170.48 and 6,317.90

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Solution

The fourth proportional to 14,110.91, 21,170.48 and 6,317.90 is: 9,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.91 : 21,170.48 = 6,317.90 : x
  2. Step 2: Convert to fraction form
    14,110.91/21,170.48 = 6,317.90/x
  3. Step 3: Cross multiply
    14,110.91x = 21,170.48 × 6,317.90
  4. Step 4: Simplify right side
    14,110.91x = 133,752,838.15
  5. Step 5: Solve for x
    x = 133,752,838.15/14,110.91
  6. Step 6: Final answer
    x = 9,478.69

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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.