Home / 11,323.36-16,981.80-3,925.90

Finding the Fourth Proportional to 11,323.36, 16,981.80 and 3,925.90

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Solution

The fourth proportional to 11,323.36, 16,981.80 and 3,925.90 is: 5,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.36 : 16,981.80 = 3,925.90 : x
  2. Step 2: Convert to fraction form
    11,323.36/16,981.80 = 3,925.90/x
  3. Step 3: Cross multiply
    11,323.36x = 16,981.80 × 3,925.90
  4. Step 4: Simplify right side
    11,323.36x = 66,668,848.62
  5. Step 5: Solve for x
    x = 66,668,848.62/11,323.36
  6. Step 6: Final answer
    x = 5,887.73

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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.