Home / 12,242.28-18,364.32-3,477.84

Finding the Fourth Proportional to 12,242.28, 18,364.32 and 3,477.84

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Solution

The fourth proportional to 12,242.28, 18,364.32 and 3,477.84 is: 5,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.28 : 18,364.32 = 3,477.84 : x
  2. Step 2: Convert to fraction form
    12,242.28/18,364.32 = 3,477.84/x
  3. Step 3: Cross multiply
    12,242.28x = 18,364.32 × 3,477.84
  4. Step 4: Simplify right side
    12,242.28x = 63,868,166.67
  5. Step 5: Solve for x
    x = 63,868,166.67/12,242.28
  6. Step 6: Final answer
    x = 5,217.02

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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.