Home / 10,212.22-14,098.47-6,179.80

Finding the Fourth Proportional to 10,212.22, 14,098.47 and 6,179.80

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Solution

The fourth proportional to 10,212.22, 14,098.47 and 6,179.80 is: 8,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.22 : 14,098.47 = 6,179.80 : x
  2. Step 2: Convert to fraction form
    10,212.22/14,098.47 = 6,179.80/x
  3. Step 3: Cross multiply
    10,212.22x = 14,098.47 × 6,179.80
  4. Step 4: Simplify right side
    10,212.22x = 87,125,724.91
  5. Step 5: Solve for x
    x = 87,125,724.91/10,212.22
  6. Step 6: Final answer
    x = 8,531.52

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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.