Home / 10,022.78-13,834.44-6,486.23

Finding the Fourth Proportional to 10,022.78, 13,834.44 and 6,486.23

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Solution

The fourth proportional to 10,022.78, 13,834.44 and 6,486.23 is: 8,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.78 : 13,834.44 = 6,486.23 : x
  2. Step 2: Convert to fraction form
    10,022.78/13,834.44 = 6,486.23/x
  3. Step 3: Cross multiply
    10,022.78x = 13,834.44 × 6,486.23
  4. Step 4: Simplify right side
    10,022.78x = 89,733,394.35
  5. Step 5: Solve for x
    x = 89,733,394.35/10,022.78
  6. Step 6: Final answer
    x = 8,952.94

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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.