Home / 12,236.97-18,355.85-4,340.69

Finding the Fourth Proportional to 12,236.97, 18,355.85 and 4,340.69

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Solution

The fourth proportional to 12,236.97, 18,355.85 and 4,340.69 is: 6,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.97 : 18,355.85 = 4,340.69 : x
  2. Step 2: Convert to fraction form
    12,236.97/18,355.85 = 4,340.69/x
  3. Step 3: Cross multiply
    12,236.97x = 18,355.85 × 4,340.69
  4. Step 4: Simplify right side
    12,236.97x = 79,677,026.17
  5. Step 5: Solve for x
    x = 79,677,026.17/12,236.97
  6. Step 6: Final answer
    x = 6,511.17

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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.