Home / 10,286.74-14,195.75-5,571.02

Finding the Fourth Proportional to 10,286.74, 14,195.75 and 5,571.02

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Solution

The fourth proportional to 10,286.74, 14,195.75 and 5,571.02 is: 7,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.74 : 14,195.75 = 5,571.02 : x
  2. Step 2: Convert to fraction form
    10,286.74/14,195.75 = 5,571.02/x
  3. Step 3: Cross multiply
    10,286.74x = 14,195.75 × 5,571.02
  4. Step 4: Simplify right side
    10,286.74x = 79,084,814.80
  5. Step 5: Solve for x
    x = 79,084,814.80/10,286.74
  6. Step 6: Final answer
    x = 7,688.03

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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.