Home / 13,364.48-18,442.22-7,395.80

Finding the Fourth Proportional to 13,364.48, 18,442.22 and 7,395.80

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Solution

The fourth proportional to 13,364.48, 18,442.22 and 7,395.80 is: 10,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.48 : 18,442.22 = 7,395.80 : x
  2. Step 2: Convert to fraction form
    13,364.48/18,442.22 = 7,395.80/x
  3. Step 3: Cross multiply
    13,364.48x = 18,442.22 × 7,395.80
  4. Step 4: Simplify right side
    13,364.48x = 136,394,970.68
  5. Step 5: Solve for x
    x = 136,394,970.68/13,364.48
  6. Step 6: Final answer
    x = 10,205.78

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1.5x scale

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.