Home / 13,301.10-19,945.50-3,937.76

Finding the Fourth Proportional to 13,301.10, 19,945.50 and 3,937.76

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Solution

The fourth proportional to 13,301.10, 19,945.50 and 3,937.76 is: 5,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.10 : 19,945.50 = 3,937.76 : x
  2. Step 2: Convert to fraction form
    13,301.10/19,945.50 = 3,937.76/x
  3. Step 3: Cross multiply
    13,301.10x = 19,945.50 × 3,937.76
  4. Step 4: Simplify right side
    13,301.10x = 78,540,592.08
  5. Step 5: Solve for x
    x = 78,540,592.08/13,301.10
  6. Step 6: Final answer
    x = 5,904.82

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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.