Home / 17,238.56-25,857.90-4,758.80

Finding the Fourth Proportional to 17,238.56, 25,857.90 and 4,758.80

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Solution

The fourth proportional to 17,238.56, 25,857.90 and 4,758.80 is: 7,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,238.56 : 25,857.90 = 4,758.80 : x
  2. Step 2: Convert to fraction form
    17,238.56/25,857.90 = 4,758.80/x
  3. Step 3: Cross multiply
    17,238.56x = 25,857.90 × 4,758.80
  4. Step 4: Simplify right side
    17,238.56x = 123,052,574.52
  5. Step 5: Solve for x
    x = 123,052,574.52/17,238.56
  6. Step 6: Final answer
    x = 7,138.22

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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.