Home / 12,216.08-18,294.20-11,032.78

Finding the Fourth Proportional to 12,216.08, 18,294.20 and 11,032.78

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Solution

The fourth proportional to 12,216.08, 18,294.20 and 11,032.78 is: 16,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.08 : 18,294.20 = 11,032.78 : x
  2. Step 2: Convert to fraction form
    12,216.08/18,294.20 = 11,032.78/x
  3. Step 3: Cross multiply
    12,216.08x = 18,294.20 × 11,032.78
  4. Step 4: Simplify right side
    12,216.08x = 201,835,883.88
  5. Step 5: Solve for x
    x = 201,835,883.88/12,216.08
  6. Step 6: Final answer
    x = 16,522.15

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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.