Home / 19,488.26-29,232.66-6,340.70

Finding the Fourth Proportional to 19,488.26, 29,232.66 and 6,340.70

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Solution

The fourth proportional to 19,488.26, 29,232.66 and 6,340.70 is: 9,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.26 : 29,232.66 = 6,340.70 : x
  2. Step 2: Convert to fraction form
    19,488.26/29,232.66 = 6,340.70/x
  3. Step 3: Cross multiply
    19,488.26x = 29,232.66 × 6,340.70
  4. Step 4: Simplify right side
    19,488.26x = 185,355,527.26
  5. Step 5: Solve for x
    x = 185,355,527.26/19,488.26
  6. Step 6: Final answer
    x = 9,511.14

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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.