Home / 12,525.27-18,764.28-9,738.44

Finding the Fourth Proportional to 12,525.27, 18,764.28 and 9,738.44

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Solution

The fourth proportional to 12,525.27, 18,764.28 and 9,738.44 is: 14,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.27 : 18,764.28 = 9,738.44 : x
  2. Step 2: Convert to fraction form
    12,525.27/18,764.28 = 9,738.44/x
  3. Step 3: Cross multiply
    12,525.27x = 18,764.28 × 9,738.44
  4. Step 4: Simplify right side
    12,525.27x = 182,734,721.10
  5. Step 5: Solve for x
    x = 182,734,721.10/12,525.27
  6. Step 6: Final answer
    x = 14,589.28

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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.