Home / 10,821.93-14,932.13-6,347.09

Finding the Fourth Proportional to 10,821.93, 14,932.13 and 6,347.09

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Solution

The fourth proportional to 10,821.93, 14,932.13 and 6,347.09 is: 8,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.93 : 14,932.13 = 6,347.09 : x
  2. Step 2: Convert to fraction form
    10,821.93/14,932.13 = 6,347.09/x
  3. Step 3: Cross multiply
    10,821.93x = 14,932.13 × 6,347.09
  4. Step 4: Simplify right side
    10,821.93x = 94,775,466.61
  5. Step 5: Solve for x
    x = 94,775,466.61/10,821.93
  6. Step 6: Final answer
    x = 8,757.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.