Home / 11,954.12-17,931.18-4,056.66

Finding the Fourth Proportional to 11,954.12, 17,931.18 and 4,056.66

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Solution

The fourth proportional to 11,954.12, 17,931.18 and 4,056.66 is: 6,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.12 : 17,931.18 = 4,056.66 : x
  2. Step 2: Convert to fraction form
    11,954.12/17,931.18 = 4,056.66/x
  3. Step 3: Cross multiply
    11,954.12x = 17,931.18 × 4,056.66
  4. Step 4: Simplify right side
    11,954.12x = 72,740,645.47
  5. Step 5: Solve for x
    x = 72,740,645.47/11,954.12
  6. Step 6: Final answer
    x = 6,084.99

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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.