Home / 10,821.63-16,231.73-4,248.93

Finding the Fourth Proportional to 10,821.63, 16,231.73 and 4,248.93

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Solution

The fourth proportional to 10,821.63, 16,231.73 and 4,248.93 is: 6,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.63 : 16,231.73 = 4,248.93 : x
  2. Step 2: Convert to fraction form
    10,821.63/16,231.73 = 4,248.93/x
  3. Step 3: Cross multiply
    10,821.63x = 16,231.73 × 4,248.93
  4. Step 4: Simplify right side
    10,821.63x = 68,967,463.30
  5. Step 5: Solve for x
    x = 68,967,463.30/10,821.63
  6. Step 6: Final answer
    x = 6,373.11

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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.