Home / 10,822.82-14,935.91-6,107.09

Finding the Fourth Proportional to 10,822.82, 14,935.91 and 6,107.09

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Solution

The fourth proportional to 10,822.82, 14,935.91 and 6,107.09 is: 8,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.82 : 14,935.91 = 6,107.09 : x
  2. Step 2: Convert to fraction form
    10,822.82/14,935.91 = 6,107.09/x
  3. Step 3: Cross multiply
    10,822.82x = 14,935.91 × 6,107.09
  4. Step 4: Simplify right side
    10,822.82x = 91,214,841.39
  5. Step 5: Solve for x
    x = 91,214,841.39/10,822.82
  6. Step 6: Final answer
    x = 8,428.01

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1.5x scale

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.