Home / 17,287.92-23,860.44-13,555.44

Finding the Fourth Proportional to 17,287.92, 23,860.44 and 13,555.44

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Solution

The fourth proportional to 17,287.92, 23,860.44 and 13,555.44 is: 18,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,287.92 : 23,860.44 = 13,555.44 : x
  2. Step 2: Convert to fraction form
    17,287.92/23,860.44 = 13,555.44/x
  3. Step 3: Cross multiply
    17,287.92x = 23,860.44 × 13,555.44
  4. Step 4: Simplify right side
    17,287.92x = 323,438,762.79
  5. Step 5: Solve for x
    x = 323,438,762.79/17,287.92
  6. Step 6: Final answer
    x = 18,708.95

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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.