Home / 14,301.03-21,451.70-3,912.78

Finding the Fourth Proportional to 14,301.03, 21,451.70 and 3,912.78

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Solution

The fourth proportional to 14,301.03, 21,451.70 and 3,912.78 is: 5,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.03 : 21,451.70 = 3,912.78 : x
  2. Step 2: Convert to fraction form
    14,301.03/21,451.70 = 3,912.78/x
  3. Step 3: Cross multiply
    14,301.03x = 21,451.70 × 3,912.78
  4. Step 4: Simplify right side
    14,301.03x = 83,935,782.73
  5. Step 5: Solve for x
    x = 83,935,782.73/14,301.03
  6. Step 6: Final answer
    x = 5,869.21

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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.