Home / 19,269.48-28,890.14-13,013.96

Finding the Fourth Proportional to 19,269.48, 28,890.14 and 13,013.96

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Solution

The fourth proportional to 19,269.48, 28,890.14 and 13,013.96 is: 19,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.48 : 28,890.14 = 13,013.96 : x
  2. Step 2: Convert to fraction form
    19,269.48/28,890.14 = 13,013.96/x
  3. Step 3: Cross multiply
    19,269.48x = 28,890.14 × 13,013.96
  4. Step 4: Simplify right side
    19,269.48x = 375,975,126.35
  5. Step 5: Solve for x
    x = 375,975,126.35/19,269.48
  6. Step 6: Final answer
    x = 19,511.43

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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.