Home / 17,257.92-25,912.80-9,870.72

Finding the Fourth Proportional to 17,257.92, 25,912.80 and 9,870.72

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Solution

The fourth proportional to 17,257.92, 25,912.80 and 9,870.72 is: 14,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,257.92 : 25,912.80 = 9,870.72 : x
  2. Step 2: Convert to fraction form
    17,257.92/25,912.80 = 9,870.72/x
  3. Step 3: Cross multiply
    17,257.92x = 25,912.80 × 9,870.72
  4. Step 4: Simplify right side
    17,257.92x = 255,777,993.22
  5. Step 5: Solve for x
    x = 255,777,993.22/17,257.92
  6. Step 6: Final answer
    x = 14,820.91

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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.