Home / 10,288.62-14,198.10-5,572.80

Finding the Fourth Proportional to 10,288.62, 14,198.10 and 5,572.80

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Solution

The fourth proportional to 10,288.62, 14,198.10 and 5,572.80 is: 7,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.62 : 14,198.10 = 5,572.80 : x
  2. Step 2: Convert to fraction form
    10,288.62/14,198.10 = 5,572.80/x
  3. Step 3: Cross multiply
    10,288.62x = 14,198.10 × 5,572.80
  4. Step 4: Simplify right side
    10,288.62x = 79,123,171.68
  5. Step 5: Solve for x
    x = 79,123,171.68/10,288.62
  6. Step 6: Final answer
    x = 7,690.36

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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.