Home / 13,367.79-20,044.94-7,822.80

Finding the Fourth Proportional to 13,367.79, 20,044.94 and 7,822.80

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Solution

The fourth proportional to 13,367.79, 20,044.94 and 7,822.80 is: 11,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.79 : 20,044.94 = 7,822.80 : x
  2. Step 2: Convert to fraction form
    13,367.79/20,044.94 = 7,822.80/x
  3. Step 3: Cross multiply
    13,367.79x = 20,044.94 × 7,822.80
  4. Step 4: Simplify right side
    13,367.79x = 156,807,517.52
  5. Step 5: Solve for x
    x = 156,807,517.52/13,367.79
  6. Step 6: Final answer
    x = 11,730.25

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1.5x scale

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.