Home / 12,488.11-18,738.27-5,467.16

Finding the Fourth Proportional to 12,488.11, 18,738.27 and 5,467.16

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Solution

The fourth proportional to 12,488.11, 18,738.27 and 5,467.16 is: 8,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.11 : 18,738.27 = 5,467.16 : x
  2. Step 2: Convert to fraction form
    12,488.11/18,738.27 = 5,467.16/x
  3. Step 3: Cross multiply
    12,488.11x = 18,738.27 × 5,467.16
  4. Step 4: Simplify right side
    12,488.11x = 102,445,167.06
  5. Step 5: Solve for x
    x = 102,445,167.06/12,488.11
  6. Step 6: Final answer
    x = 8,203.42

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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.