Home / 15,986.48-23,992.56-7,222.16

Finding the Fourth Proportional to 15,986.48, 23,992.56 and 7,222.16

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Solution

The fourth proportional to 15,986.48, 23,992.56 and 7,222.16 is: 10,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.48 : 23,992.56 = 7,222.16 : x
  2. Step 2: Convert to fraction form
    15,986.48/23,992.56 = 7,222.16/x
  3. Step 3: Cross multiply
    15,986.48x = 23,992.56 × 7,222.16
  4. Step 4: Simplify right side
    15,986.48x = 173,278,107.13
  5. Step 5: Solve for x
    x = 173,278,107.13/15,986.48
  6. Step 6: Final answer
    x = 10,839.04

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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.