Home / 10,821.44-16,230.24-3,802.40

Finding the Fourth Proportional to 10,821.44, 16,230.24 and 3,802.40

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Solution

The fourth proportional to 10,821.44, 16,230.24 and 3,802.40 is: 5,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.44 : 16,230.24 = 3,802.40 : x
  2. Step 2: Convert to fraction form
    10,821.44/16,230.24 = 3,802.40/x
  3. Step 3: Cross multiply
    10,821.44x = 16,230.24 × 3,802.40
  4. Step 4: Simplify right side
    10,821.44x = 61,713,864.58
  5. Step 5: Solve for x
    x = 61,713,864.58/10,821.44
  6. Step 6: Final answer
    x = 5,702.93

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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.