Home / 12,614.23-18,921.19-3,849.17

Finding the Fourth Proportional to 12,614.23, 18,921.19 and 3,849.17

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Solution

The fourth proportional to 12,614.23, 18,921.19 and 3,849.17 is: 5,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.23 : 18,921.19 = 3,849.17 : x
  2. Step 2: Convert to fraction form
    12,614.23/18,921.19 = 3,849.17/x
  3. Step 3: Cross multiply
    12,614.23x = 18,921.19 × 3,849.17
  4. Step 4: Simplify right side
    12,614.23x = 72,830,763.06
  5. Step 5: Solve for x
    x = 72,830,763.06/12,614.23
  6. Step 6: Final answer
    x = 5,773.70

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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.