Home / 17,310.20-25,955.70-7,447.80

Finding the Fourth Proportional to 17,310.20, 25,955.70 and 7,447.80

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Solution

The fourth proportional to 17,310.20, 25,955.70 and 7,447.80 is: 11,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,310.20 : 25,955.70 = 7,447.80 : x
  2. Step 2: Convert to fraction form
    17,310.20/25,955.70 = 7,447.80/x
  3. Step 3: Cross multiply
    17,310.20x = 25,955.70 × 7,447.80
  4. Step 4: Simplify right side
    17,310.20x = 193,312,862.46
  5. Step 5: Solve for x
    x = 193,312,862.46/17,310.20
  6. Step 6: Final answer
    x = 11,167.57

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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.