Home / 12,141.19-16,753.79-8,956.22

Finding the Fourth Proportional to 12,141.19, 16,753.79 and 8,956.22

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Solution

The fourth proportional to 12,141.19, 16,753.79 and 8,956.22 is: 12,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.19 : 16,753.79 = 8,956.22 : x
  2. Step 2: Convert to fraction form
    12,141.19/16,753.79 = 8,956.22/x
  3. Step 3: Cross multiply
    12,141.19x = 16,753.79 × 8,956.22
  4. Step 4: Simplify right side
    12,141.19x = 150,050,611.56
  5. Step 5: Solve for x
    x = 150,050,611.56/12,141.19
  6. Step 6: Final answer
    x = 12,358.80

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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.