Home / 10,286.23-14,194.98-5,570.50

Finding the Fourth Proportional to 10,286.23, 14,194.98 and 5,570.50

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Solution

The fourth proportional to 10,286.23, 14,194.98 and 5,570.50 is: 7,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.23 : 14,194.98 = 5,570.50 : x
  2. Step 2: Convert to fraction form
    10,286.23/14,194.98 = 5,570.50/x
  3. Step 3: Cross multiply
    10,286.23x = 14,194.98 × 5,570.50
  4. Step 4: Simplify right side
    10,286.23x = 79,073,136.09
  5. Step 5: Solve for x
    x = 79,073,136.09/10,286.23
  6. Step 6: Final answer
    x = 7,687.28

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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.