Home / 14,541.40-21,806.70-5,177.80

Finding the Fourth Proportional to 14,541.40, 21,806.70 and 5,177.80

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Solution

The fourth proportional to 14,541.40, 21,806.70 and 5,177.80 is: 7,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541.40 : 21,806.70 = 5,177.80 : x
  2. Step 2: Convert to fraction form
    14,541.40/21,806.70 = 5,177.80/x
  3. Step 3: Cross multiply
    14,541.40x = 21,806.70 × 5,177.80
  4. Step 4: Simplify right side
    14,541.40x = 112,910,731.26
  5. Step 5: Solve for x
    x = 112,910,731.26/14,541.40
  6. Step 6: Final answer
    x = 7,764.78

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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.