Home / 12,933.46-17,854.92-8,706.76

Finding the Fourth Proportional to 12,933.46, 17,854.92 and 8,706.76

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Solution

The fourth proportional to 12,933.46, 17,854.92 and 8,706.76 is: 12,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.46 : 17,854.92 = 8,706.76 : x
  2. Step 2: Convert to fraction form
    12,933.46/17,854.92 = 8,706.76/x
  3. Step 3: Cross multiply
    12,933.46x = 17,854.92 × 8,706.76
  4. Step 4: Simplify right side
    12,933.46x = 155,458,503.26
  5. Step 5: Solve for x
    x = 155,458,503.26/12,933.46
  6. Step 6: Final answer
    x = 12,019.87

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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.