Home / 12,816.28-19,226.94-5,020.84

Finding the Fourth Proportional to 12,816.28, 19,226.94 and 5,020.84

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Solution

The fourth proportional to 12,816.28, 19,226.94 and 5,020.84 is: 7,532.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.28 : 19,226.94 = 5,020.84 : x
  2. Step 2: Convert to fraction form
    12,816.28/19,226.94 = 5,020.84/x
  3. Step 3: Cross multiply
    12,816.28x = 19,226.94 × 5,020.84
  4. Step 4: Simplify right side
    12,816.28x = 96,535,389.43
  5. Step 5: Solve for x
    x = 96,535,389.43/12,816.28
  6. Step 6: Final answer
    x = 7,532.25

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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.