Home / 13,335.60-20,003.57-3,975.92

Finding the Fourth Proportional to 13,335.60, 20,003.57 and 3,975.92

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Solution

The fourth proportional to 13,335.60, 20,003.57 and 3,975.92 is: 5,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.60 : 20,003.57 = 3,975.92 : x
  2. Step 2: Convert to fraction form
    13,335.60/20,003.57 = 3,975.92/x
  3. Step 3: Cross multiply
    13,335.60x = 20,003.57 × 3,975.92
  4. Step 4: Simplify right side
    13,335.60x = 79,532,665.40
  5. Step 5: Solve for x
    x = 79,532,665.40/13,335.60
  6. Step 6: Final answer
    x = 5,963.94

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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.