Home / 12,614.72-18,921.37-3,848.95

Finding the Fourth Proportional to 12,614.72, 18,921.37 and 3,848.95

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Solution

The fourth proportional to 12,614.72, 18,921.37 and 3,848.95 is: 5,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.72 : 18,921.37 = 3,848.95 : x
  2. Step 2: Convert to fraction form
    12,614.72/18,921.37 = 3,848.95/x
  3. Step 3: Cross multiply
    12,614.72x = 18,921.37 × 3,848.95
  4. Step 4: Simplify right side
    12,614.72x = 72,827,407.06
  5. Step 5: Solve for x
    x = 72,827,407.06/12,614.72
  6. Step 6: Final answer
    x = 5,773.21

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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.