Home / 22,242.51-30,695.04-12,171.83

Finding the Fourth Proportional to 22,242.51, 30,695.04 and 12,171.83

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Solution

The fourth proportional to 22,242.51, 30,695.04 and 12,171.83 is: 16,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.51 : 30,695.04 = 12,171.83 : x
  2. Step 2: Convert to fraction form
    22,242.51/30,695.04 = 12,171.83/x
  3. Step 3: Cross multiply
    22,242.51x = 30,695.04 × 12,171.83
  4. Step 4: Simplify right side
    22,242.51x = 373,614,655.25
  5. Step 5: Solve for x
    x = 373,614,655.25/22,242.51
  6. Step 6: Final answer
    x = 16,797.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.