Home / 19,269.46-28,890.17-13,013.96

Finding the Fourth Proportional to 19,269.46, 28,890.17 and 13,013.96

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Solution

The fourth proportional to 19,269.46, 28,890.17 and 13,013.96 is: 19,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.46 : 28,890.17 = 13,013.96 : x
  2. Step 2: Convert to fraction form
    19,269.46/28,890.17 = 13,013.96/x
  3. Step 3: Cross multiply
    19,269.46x = 28,890.17 × 13,013.96
  4. Step 4: Simplify right side
    19,269.46x = 375,975,451.70
  5. Step 5: Solve for x
    x = 375,975,451.70/19,269.46
  6. Step 6: Final answer
    x = 19,511.47

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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.