Home / 9,819.48-14,728.14-4,269.90

Finding the Fourth Proportional to 9,819.48, 14,728.14 and 4,269.90

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Solution

The fourth proportional to 9,819.48, 14,728.14 and 4,269.90 is: 6,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.48 : 14,728.14 = 4,269.90 : x
  2. Step 2: Convert to fraction form
    9,819.48/14,728.14 = 4,269.90/x
  3. Step 3: Cross multiply
    9,819.48x = 14,728.14 × 4,269.90
  4. Step 4: Simplify right side
    9,819.48x = 62,887,684.99
  5. Step 5: Solve for x
    x = 62,887,684.99/9,819.48
  6. Step 6: Final answer
    x = 6,404.38

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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.