Home / 12,826.59-19,244.03-3,942.60

Finding the Fourth Proportional to 12,826.59, 19,244.03 and 3,942.60

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Solution

The fourth proportional to 12,826.59, 19,244.03 and 3,942.60 is: 5,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.59 : 19,244.03 = 3,942.60 : x
  2. Step 2: Convert to fraction form
    12,826.59/19,244.03 = 3,942.60/x
  3. Step 3: Cross multiply
    12,826.59x = 19,244.03 × 3,942.60
  4. Step 4: Simplify right side
    12,826.59x = 75,871,492.97
  5. Step 5: Solve for x
    x = 75,871,492.97/12,826.59
  6. Step 6: Final answer
    x = 5,915.17

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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.