Home / 10,010.43-13,814.51-6,479.79

Finding the Fourth Proportional to 10,010.43, 13,814.51 and 6,479.79

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Solution

The fourth proportional to 10,010.43, 13,814.51 and 6,479.79 is: 8,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.43 : 13,814.51 = 6,479.79 : x
  2. Step 2: Convert to fraction form
    10,010.43/13,814.51 = 6,479.79/x
  3. Step 3: Cross multiply
    10,010.43x = 13,814.51 × 6,479.79
  4. Step 4: Simplify right side
    10,010.43x = 89,515,091.35
  5. Step 5: Solve for x
    x = 89,515,091.35/10,010.43
  6. Step 6: Final answer
    x = 8,942.18

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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.