Home / 16,658.68-22,996.38-12,679.96

Finding the Fourth Proportional to 16,658.68, 22,996.38 and 12,679.96

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Solution

The fourth proportional to 16,658.68, 22,996.38 and 12,679.96 is: 17,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.68 : 22,996.38 = 12,679.96 : x
  2. Step 2: Convert to fraction form
    16,658.68/22,996.38 = 12,679.96/x
  3. Step 3: Cross multiply
    16,658.68x = 22,996.38 × 12,679.96
  4. Step 4: Simplify right side
    16,658.68x = 291,593,178.54
  5. Step 5: Solve for x
    x = 291,593,178.54/16,658.68
  6. Step 6: Final answer
    x = 17,503.98

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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.