Home / 12,355.19-18,530.70-3,468.48

Finding the Fourth Proportional to 12,355.19, 18,530.70 and 3,468.48

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Solution

The fourth proportional to 12,355.19, 18,530.70 and 3,468.48 is: 5,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.19 : 18,530.70 = 3,468.48 : x
  2. Step 2: Convert to fraction form
    12,355.19/18,530.70 = 3,468.48/x
  3. Step 3: Cross multiply
    12,355.19x = 18,530.70 × 3,468.48
  4. Step 4: Simplify right side
    12,355.19x = 64,273,344.99
  5. Step 5: Solve for x
    x = 64,273,344.99/12,355.19
  6. Step 6: Final answer
    x = 5,202.13

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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.