Home / 16,434.12-22,679.38-8,981.96

Finding the Fourth Proportional to 16,434.12, 22,679.38 and 8,981.96

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Solution

The fourth proportional to 16,434.12, 22,679.38 and 8,981.96 is: 12,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,434.12 : 22,679.38 = 8,981.96 : x
  2. Step 2: Convert to fraction form
    16,434.12/22,679.38 = 8,981.96/x
  3. Step 3: Cross multiply
    16,434.12x = 22,679.38 × 8,981.96
  4. Step 4: Simplify right side
    16,434.12x = 203,705,283.98
  5. Step 5: Solve for x
    x = 203,705,283.98/16,434.12
  6. Step 6: Final answer
    x = 12,395.27

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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.