Home / 12,549.35-17,318.59-6,884.34

Finding the Fourth Proportional to 12,549.35, 17,318.59 and 6,884.34

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Solution

The fourth proportional to 12,549.35, 17,318.59 and 6,884.34 is: 9,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.35 : 17,318.59 = 6,884.34 : x
  2. Step 2: Convert to fraction form
    12,549.35/17,318.59 = 6,884.34/x
  3. Step 3: Cross multiply
    12,549.35x = 17,318.59 × 6,884.34
  4. Step 4: Simplify right side
    12,549.35x = 119,226,940.87
  5. Step 5: Solve for x
    x = 119,226,940.87/12,549.35
  6. Step 6: Final answer
    x = 9,500.65

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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.