Home / 13,565.90-20,324.93-11,881.23

Finding the Fourth Proportional to 13,565.90, 20,324.93 and 11,881.23

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Solution

The fourth proportional to 13,565.90, 20,324.93 and 11,881.23 is: 17,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.90 : 20,324.93 = 11,881.23 : x
  2. Step 2: Convert to fraction form
    13,565.90/20,324.93 = 11,881.23/x
  3. Step 3: Cross multiply
    13,565.90x = 20,324.93 × 11,881.23
  4. Step 4: Simplify right side
    13,565.90x = 241,485,168.06
  5. Step 5: Solve for x
    x = 241,485,168.06/13,565.90
  6. Step 6: Final answer
    x = 17,800.90

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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.