Home / 17,001.21-25,510.20-7,647.85

Finding the Fourth Proportional to 17,001.21, 25,510.20 and 7,647.85

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Solution

The fourth proportional to 17,001.21, 25,510.20 and 7,647.85 is: 11,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,001.21 : 25,510.20 = 7,647.85 : x
  2. Step 2: Convert to fraction form
    17,001.21/25,510.20 = 7,647.85/x
  3. Step 3: Cross multiply
    17,001.21x = 25,510.20 × 7,647.85
  4. Step 4: Simplify right side
    17,001.21x = 195,098,183.07
  5. Step 5: Solve for x
    x = 195,098,183.07/17,001.21
  6. Step 6: Final answer
    x = 11,475.55

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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.