Home / 18,311.30-27,466.95-8,447.66

Finding the Fourth Proportional to 18,311.30, 27,466.95 and 8,447.66

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Solution

The fourth proportional to 18,311.30, 27,466.95 and 8,447.66 is: 12,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.30 : 27,466.95 = 8,447.66 : x
  2. Step 2: Convert to fraction form
    18,311.30/27,466.95 = 8,447.66/x
  3. Step 3: Cross multiply
    18,311.30x = 27,466.95 × 8,447.66
  4. Step 4: Simplify right side
    18,311.30x = 232,031,454.84
  5. Step 5: Solve for x
    x = 232,031,454.84/18,311.30
  6. Step 6: Final answer
    x = 12,671.49

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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.