Home / 17,640.48-24,348.80-11,350.56

Finding the Fourth Proportional to 17,640.48, 24,348.80 and 11,350.56

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Solution

The fourth proportional to 17,640.48, 24,348.80 and 11,350.56 is: 15,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.48 : 24,348.80 = 11,350.56 : x
  2. Step 2: Convert to fraction form
    17,640.48/24,348.80 = 11,350.56/x
  3. Step 3: Cross multiply
    17,640.48x = 24,348.80 × 11,350.56
  4. Step 4: Simplify right side
    17,640.48x = 276,372,515.33
  5. Step 5: Solve for x
    x = 276,372,515.33/17,640.48
  6. Step 6: Final answer
    x = 15,666.95

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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.