Home / 10,817.87-16,228.80-3,424.19

Finding the Fourth Proportional to 10,817.87, 16,228.80 and 3,424.19

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Solution

The fourth proportional to 10,817.87, 16,228.80 and 3,424.19 is: 5,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.87 : 16,228.80 = 3,424.19 : x
  2. Step 2: Convert to fraction form
    10,817.87/16,228.80 = 3,424.19/x
  3. Step 3: Cross multiply
    10,817.87x = 16,228.80 × 3,424.19
  4. Step 4: Simplify right side
    10,817.87x = 55,570,494.67
  5. Step 5: Solve for x
    x = 55,570,494.67/10,817.87
  6. Step 6: Final answer
    x = 5,136.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.