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Finding the Fourth Proportional to 8,788.08, 13,247.48 and 8,216.73

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Solution

The fourth proportional to 8,788.08, 13,247.48 and 8,216.73 is: 12,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.08 : 13,247.48 = 8,216.73 : x
  2. Step 2: Convert to fraction form
    8,788.08/13,247.48 = 8,216.73/x
  3. Step 3: Cross multiply
    8,788.08x = 13,247.48 × 8,216.73
  4. Step 4: Simplify right side
    8,788.08x = 108,850,925.26
  5. Step 5: Solve for x
    x = 108,850,925.26/8,788.08
  6. Step 6: Final answer
    x = 12,386.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.