Home / 12,520.08-17,356.74-11,854.26

Finding the Fourth Proportional to 12,520.08, 17,356.74 and 11,854.26

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Solution

The fourth proportional to 12,520.08, 17,356.74 and 11,854.26 is: 16,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520.08 : 17,356.74 = 11,854.26 : x
  2. Step 2: Convert to fraction form
    12,520.08/17,356.74 = 11,854.26/x
  3. Step 3: Cross multiply
    12,520.08x = 17,356.74 × 11,854.26
  4. Step 4: Simplify right side
    12,520.08x = 205,751,308.71
  5. Step 5: Solve for x
    x = 205,751,308.71/12,520.08
  6. Step 6: Final answer
    x = 16,433.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.