Home / 12,548.78-17,317.49-6,884.04

Finding the Fourth Proportional to 12,548.78, 17,317.49 and 6,884.04

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Solution

The fourth proportional to 12,548.78, 17,317.49 and 6,884.04 is: 9,500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.78 : 17,317.49 = 6,884.04 : x
  2. Step 2: Convert to fraction form
    12,548.78/17,317.49 = 6,884.04/x
  3. Step 3: Cross multiply
    12,548.78x = 17,317.49 × 6,884.04
  4. Step 4: Simplify right side
    12,548.78x = 119,214,293.86
  5. Step 5: Solve for x
    x = 119,214,293.86/12,548.78
  6. Step 6: Final answer
    x = 9,500.07

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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.