Home / 10,391.82-14,329.80-6,850.50

Finding the Fourth Proportional to 10,391.82, 14,329.80 and 6,850.50

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Solution

The fourth proportional to 10,391.82, 14,329.80 and 6,850.50 is: 9,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.82 : 14,329.80 = 6,850.50 : x
  2. Step 2: Convert to fraction form
    10,391.82/14,329.80 = 6,850.50/x
  3. Step 3: Cross multiply
    10,391.82x = 14,329.80 × 6,850.50
  4. Step 4: Simplify right side
    10,391.82x = 98,166,294.90
  5. Step 5: Solve for x
    x = 98,166,294.90/10,391.82
  6. Step 6: Final answer
    x = 9,446.50

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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.