Home / 15,458.75-23,169.12-7,127.21

Finding the Fourth Proportional to 15,458.75, 23,169.12 and 7,127.21

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Solution

The fourth proportional to 15,458.75, 23,169.12 and 7,127.21 is: 10,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.75 : 23,169.12 = 7,127.21 : x
  2. Step 2: Convert to fraction form
    15,458.75/23,169.12 = 7,127.21/x
  3. Step 3: Cross multiply
    15,458.75x = 23,169.12 × 7,127.21
  4. Step 4: Simplify right side
    15,458.75x = 165,131,183.76
  5. Step 5: Solve for x
    x = 165,131,183.76/15,458.75
  6. Step 6: Final answer
    x = 10,682.05

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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.