Home / 12,141.84-18,213.21-4,350.64

Finding the Fourth Proportional to 12,141.84, 18,213.21 and 4,350.64

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Solution

The fourth proportional to 12,141.84, 18,213.21 and 4,350.64 is: 6,526.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.84 : 18,213.21 = 4,350.64 : x
  2. Step 2: Convert to fraction form
    12,141.84/18,213.21 = 4,350.64/x
  3. Step 3: Cross multiply
    12,141.84x = 18,213.21 × 4,350.64
  4. Step 4: Simplify right side
    12,141.84x = 79,239,119.95
  5. Step 5: Solve for x
    x = 79,239,119.95/12,141.84
  6. Step 6: Final answer
    x = 6,526.12

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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.