Home / 10,822.98-14,935.41-6,107.70

Finding the Fourth Proportional to 10,822.98, 14,935.41 and 6,107.70

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Solution

The fourth proportional to 10,822.98, 14,935.41 and 6,107.70 is: 8,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.98 : 14,935.41 = 6,107.70 : x
  2. Step 2: Convert to fraction form
    10,822.98/14,935.41 = 6,107.70/x
  3. Step 3: Cross multiply
    10,822.98x = 14,935.41 × 6,107.70
  4. Step 4: Simplify right side
    10,822.98x = 91,221,003.66
  5. Step 5: Solve for x
    x = 91,221,003.66/10,822.98
  6. Step 6: Final answer
    x = 8,428.46

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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.