Home / 12,206.83-18,310.11-9,263.35

Finding the Fourth Proportional to 12,206.83, 18,310.11 and 9,263.35

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Solution

The fourth proportional to 12,206.83, 18,310.11 and 9,263.35 is: 13,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.83 : 18,310.11 = 9,263.35 : x
  2. Step 2: Convert to fraction form
    12,206.83/18,310.11 = 9,263.35/x
  3. Step 3: Cross multiply
    12,206.83x = 18,310.11 × 9,263.35
  4. Step 4: Simplify right side
    12,206.83x = 169,612,894.73
  5. Step 5: Solve for x
    x = 169,612,894.73/12,206.83
  6. Step 6: Final answer
    x = 13,894.92

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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.