Home / 17,320.78-25,982.98-5,631.26

Finding the Fourth Proportional to 17,320.78, 25,982.98 and 5,631.26

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Solution

The fourth proportional to 17,320.78, 25,982.98 and 5,631.26 is: 8,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320.78 : 25,982.98 = 5,631.26 : x
  2. Step 2: Convert to fraction form
    17,320.78/25,982.98 = 5,631.26/x
  3. Step 3: Cross multiply
    17,320.78x = 25,982.98 × 5,631.26
  4. Step 4: Simplify right side
    17,320.78x = 146,316,915.95
  5. Step 5: Solve for x
    x = 146,316,915.95/17,320.78
  6. Step 6: Final answer
    x = 8,447.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.