Home / 19,837.40-29,756.19-6,689.88

Finding the Fourth Proportional to 19,837.40, 29,756.19 and 6,689.88

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Solution

The fourth proportional to 19,837.40, 29,756.19 and 6,689.88 is: 10,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.40 : 29,756.19 = 6,689.88 : x
  2. Step 2: Convert to fraction form
    19,837.40/29,756.19 = 6,689.88/x
  3. Step 3: Cross multiply
    19,837.40x = 29,756.19 × 6,689.88
  4. Step 4: Simplify right side
    19,837.40x = 199,065,340.36
  5. Step 5: Solve for x
    x = 199,065,340.36/19,837.40
  6. Step 6: Final answer
    x = 10,034.85

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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.