Home / 19,868.52-29,800.41-6,538.20

Finding the Fourth Proportional to 19,868.52, 29,800.41 and 6,538.20

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Solution

The fourth proportional to 19,868.52, 29,800.41 and 6,538.20 is: 9,806.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868.52 : 29,800.41 = 6,538.20 : x
  2. Step 2: Convert to fraction form
    19,868.52/29,800.41 = 6,538.20/x
  3. Step 3: Cross multiply
    19,868.52x = 29,800.41 × 6,538.20
  4. Step 4: Simplify right side
    19,868.52x = 194,841,040.66
  5. Step 5: Solve for x
    x = 194,841,040.66/19,868.52
  6. Step 6: Final answer
    x = 9,806.52

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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.