Home / 14,228.87-21,344.34-5,463.78

Finding the Fourth Proportional to 14,228.87, 21,344.34 and 5,463.78

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Solution

The fourth proportional to 14,228.87, 21,344.34 and 5,463.78 is: 8,196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.87 : 21,344.34 = 5,463.78 : x
  2. Step 2: Convert to fraction form
    14,228.87/21,344.34 = 5,463.78/x
  3. Step 3: Cross multiply
    14,228.87x = 21,344.34 × 5,463.78
  4. Step 4: Simplify right side
    14,228.87x = 116,620,778.01
  5. Step 5: Solve for x
    x = 116,620,778.01/14,228.87
  6. Step 6: Final answer
    x = 8,196.07

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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.