Home / 10,286.83-14,195.80-5,571.11

Finding the Fourth Proportional to 10,286.83, 14,195.80 and 5,571.11

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Solution

The fourth proportional to 10,286.83, 14,195.80 and 5,571.11 is: 7,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.83 : 14,195.80 = 5,571.11 : x
  2. Step 2: Convert to fraction form
    10,286.83/14,195.80 = 5,571.11/x
  3. Step 3: Cross multiply
    10,286.83x = 14,195.80 × 5,571.11
  4. Step 4: Simplify right side
    10,286.83x = 79,086,363.34
  5. Step 5: Solve for x
    x = 79,086,363.34/10,286.83
  6. Step 6: Final answer
    x = 7,688.12

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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.