Home / 9,922.43-14,879.54-4,220.98

Finding the Fourth Proportional to 9,922.43, 14,879.54 and 4,220.98

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Solution

The fourth proportional to 9,922.43, 14,879.54 and 4,220.98 is: 6,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,922.43 : 14,879.54 = 4,220.98 : x
  2. Step 2: Convert to fraction form
    9,922.43/14,879.54 = 4,220.98/x
  3. Step 3: Cross multiply
    9,922.43x = 14,879.54 × 4,220.98
  4. Step 4: Simplify right side
    9,922.43x = 62,806,214.10
  5. Step 5: Solve for x
    x = 62,806,214.10/9,922.43
  6. Step 6: Final answer
    x = 6,329.72

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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.