Home / 10,823.12-14,935.92-6,107.30

Finding the Fourth Proportional to 10,823.12, 14,935.92 and 6,107.30

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Solution

The fourth proportional to 10,823.12, 14,935.92 and 6,107.30 is: 8,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.12 : 14,935.92 = 6,107.30 : x
  2. Step 2: Convert to fraction form
    10,823.12/14,935.92 = 6,107.30/x
  3. Step 3: Cross multiply
    10,823.12x = 14,935.92 × 6,107.30
  4. Step 4: Simplify right side
    10,823.12x = 91,218,144.22
  5. Step 5: Solve for x
    x = 91,218,144.22/10,823.12
  6. Step 6: Final answer
    x = 8,428.08

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Why These Related Problems?

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