Home / 22,305.86-30,784.66-13,353.36

Finding the Fourth Proportional to 22,305.86, 30,784.66 and 13,353.36

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Solution

The fourth proportional to 22,305.86, 30,784.66 and 13,353.36 is: 18,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,305.86 : 30,784.66 = 13,353.36 : x
  2. Step 2: Convert to fraction form
    22,305.86/30,784.66 = 13,353.36/x
  3. Step 3: Cross multiply
    22,305.86x = 30,784.66 × 13,353.36
  4. Step 4: Simplify right side
    22,305.86x = 411,078,709.35
  5. Step 5: Solve for x
    x = 411,078,709.35/22,305.86
  6. Step 6: Final answer
    x = 18,429.18

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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.