Home / 13,608.95-20,414.58-3,748.23

Finding the Fourth Proportional to 13,608.95, 20,414.58 and 3,748.23

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Solution

The fourth proportional to 13,608.95, 20,414.58 and 3,748.23 is: 5,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608.95 : 20,414.58 = 3,748.23 : x
  2. Step 2: Convert to fraction form
    13,608.95/20,414.58 = 3,748.23/x
  3. Step 3: Cross multiply
    13,608.95x = 20,414.58 × 3,748.23
  4. Step 4: Simplify right side
    13,608.95x = 76,518,480.19
  5. Step 5: Solve for x
    x = 76,518,480.19/13,608.95
  6. Step 6: Final answer
    x = 5,622.66

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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.