Home / 11,883.16-17,823.39-3,118.76

Finding the Fourth Proportional to 11,883.16, 17,823.39 and 3,118.76

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Solution

The fourth proportional to 11,883.16, 17,823.39 and 3,118.76 is: 4,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.16 : 17,823.39 = 3,118.76 : x
  2. Step 2: Convert to fraction form
    11,883.16/17,823.39 = 3,118.76/x
  3. Step 3: Cross multiply
    11,883.16x = 17,823.39 × 3,118.76
  4. Step 4: Simplify right side
    11,883.16x = 55,586,875.80
  5. Step 5: Solve for x
    x = 55,586,875.80/11,883.16
  6. Step 6: Final answer
    x = 4,677.79

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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.