Home / 13,363.60-20,039.75-4,004.95

Finding the Fourth Proportional to 13,363.60, 20,039.75 and 4,004.95

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Solution

The fourth proportional to 13,363.60, 20,039.75 and 4,004.95 is: 6,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.60 : 20,039.75 = 4,004.95 : x
  2. Step 2: Convert to fraction form
    13,363.60/20,039.75 = 4,004.95/x
  3. Step 3: Cross multiply
    13,363.60x = 20,039.75 × 4,004.95
  4. Step 4: Simplify right side
    13,363.60x = 80,258,076.54
  5. Step 5: Solve for x
    x = 80,258,076.54/13,363.60
  6. Step 6: Final answer
    x = 6,005.72

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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.