Home / 23,212-32,032.11-13,142.35

Finding the Fourth Proportional to 23,212, 32,032.11 and 13,142.35

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Solution

The fourth proportional to 23,212, 32,032.11 and 13,142.35 is: 18,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,212 : 32,032.11 = 13,142.35 : x
  2. Step 2: Convert to fraction form
    23,212/32,032.11 = 13,142.35/x
  3. Step 3: Cross multiply
    23,212x = 32,032.11 × 13,142.35
  4. Step 4: Simplify right side
    23,212x = 420,977,200.86
  5. Step 5: Solve for x
    x = 420,977,200.86/23,212
  6. Step 6: Final answer
    x = 18,136.19

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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.