Home / 12,299.92-18,452.99-3,534.84

Finding the Fourth Proportional to 12,299.92, 18,452.99 and 3,534.84

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Solution

The fourth proportional to 12,299.92, 18,452.99 and 3,534.84 is: 5,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.92 : 18,452.99 = 3,534.84 : x
  2. Step 2: Convert to fraction form
    12,299.92/18,452.99 = 3,534.84/x
  3. Step 3: Cross multiply
    12,299.92x = 18,452.99 × 3,534.84
  4. Step 4: Simplify right side
    12,299.92x = 65,228,376.01
  5. Step 5: Solve for x
    x = 65,228,376.01/12,299.92
  6. Step 6: Final answer
    x = 5,303.16

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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.