Home / 15,968.16-23,932.80-7,200.72

Finding the Fourth Proportional to 15,968.16, 23,932.80 and 7,200.72

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Solution

The fourth proportional to 15,968.16, 23,932.80 and 7,200.72 is: 10,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.16 : 23,932.80 = 7,200.72 : x
  2. Step 2: Convert to fraction form
    15,968.16/23,932.80 = 7,200.72/x
  3. Step 3: Cross multiply
    15,968.16x = 23,932.80 × 7,200.72
  4. Step 4: Simplify right side
    15,968.16x = 172,333,391.62
  5. Step 5: Solve for x
    x = 172,333,391.62/15,968.16
  6. Step 6: Final answer
    x = 10,792.31

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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.