Home / 10,664.76-15,997.14-8,836.92

Finding the Fourth Proportional to 10,664.76, 15,997.14 and 8,836.92

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Solution

The fourth proportional to 10,664.76, 15,997.14 and 8,836.92 is: 13,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.76 : 15,997.14 = 8,836.92 : x
  2. Step 2: Convert to fraction form
    10,664.76/15,997.14 = 8,836.92/x
  3. Step 3: Cross multiply
    10,664.76x = 15,997.14 × 8,836.92
  4. Step 4: Simplify right side
    10,664.76x = 141,365,446.41
  5. Step 5: Solve for x
    x = 141,365,446.41/10,664.76
  6. Step 6: Final answer
    x = 13,255.38

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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.