Home / 19,223.20-28,861.62-9,871.14

Finding the Fourth Proportional to 19,223.20, 28,861.62 and 9,871.14

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Solution

The fourth proportional to 19,223.20, 28,861.62 and 9,871.14 is: 14,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.20 : 28,861.62 = 9,871.14 : x
  2. Step 2: Convert to fraction form
    19,223.20/28,861.62 = 9,871.14/x
  3. Step 3: Cross multiply
    19,223.20x = 28,861.62 × 9,871.14
  4. Step 4: Simplify right side
    19,223.20x = 284,897,091.65
  5. Step 5: Solve for x
    x = 284,897,091.65/19,223.20
  6. Step 6: Final answer
    x = 14,820.48

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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.