Home / 12,549.42-17,318.52-6,884.41

Finding the Fourth Proportional to 12,549.42, 17,318.52 and 6,884.41

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Solution

The fourth proportional to 12,549.42, 17,318.52 and 6,884.41 is: 9,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.42 : 17,318.52 = 6,884.41 : x
  2. Step 2: Convert to fraction form
    12,549.42/17,318.52 = 6,884.41/x
  3. Step 3: Cross multiply
    12,549.42x = 17,318.52 × 6,884.41
  4. Step 4: Simplify right side
    12,549.42x = 119,227,792.27
  5. Step 5: Solve for x
    x = 119,227,792.27/12,549.42
  6. Step 6: Final answer
    x = 9,500.66

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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.