Home / 13,512.21-20,274.12-7,264.95

Finding the Fourth Proportional to 13,512.21, 20,274.12 and 7,264.95

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Solution

The fourth proportional to 13,512.21, 20,274.12 and 7,264.95 is: 10,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.21 : 20,274.12 = 7,264.95 : x
  2. Step 2: Convert to fraction form
    13,512.21/20,274.12 = 7,264.95/x
  3. Step 3: Cross multiply
    13,512.21x = 20,274.12 × 7,264.95
  4. Step 4: Simplify right side
    13,512.21x = 147,290,468.09
  5. Step 5: Solve for x
    x = 147,290,468.09/13,512.21
  6. Step 6: Final answer
    x = 10,900.55

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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.