Home / 12,132.36-16,737.06-8,769.84

Finding the Fourth Proportional to 12,132.36, 16,737.06 and 8,769.84

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Solution

The fourth proportional to 12,132.36, 16,737.06 and 8,769.84 is: 12,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.36 : 16,737.06 = 8,769.84 : x
  2. Step 2: Convert to fraction form
    12,132.36/16,737.06 = 8,769.84/x
  3. Step 3: Cross multiply
    12,132.36x = 16,737.06 × 8,769.84
  4. Step 4: Simplify right side
    12,132.36x = 146,781,338.27
  5. Step 5: Solve for x
    x = 146,781,338.27/12,132.36
  6. Step 6: Final answer
    x = 12,098.33

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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.