Home / 11,510.36-17,266.35-3,719.78

Finding the Fourth Proportional to 11,510.36, 17,266.35 and 3,719.78

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Solution

The fourth proportional to 11,510.36, 17,266.35 and 3,719.78 is: 5,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.36 : 17,266.35 = 3,719.78 : x
  2. Step 2: Convert to fraction form
    11,510.36/17,266.35 = 3,719.78/x
  3. Step 3: Cross multiply
    11,510.36x = 17,266.35 × 3,719.78
  4. Step 4: Simplify right side
    11,510.36x = 64,227,023.40
  5. Step 5: Solve for x
    x = 64,227,023.40/11,510.36
  6. Step 6: Final answer
    x = 5,579.93

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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.