Home / 14,517.24-20,028.60-9,211.20

Finding the Fourth Proportional to 14,517.24, 20,028.60 and 9,211.20

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Solution

The fourth proportional to 14,517.24, 20,028.60 and 9,211.20 is: 12,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.24 : 20,028.60 = 9,211.20 : x
  2. Step 2: Convert to fraction form
    14,517.24/20,028.60 = 9,211.20/x
  3. Step 3: Cross multiply
    14,517.24x = 20,028.60 × 9,211.20
  4. Step 4: Simplify right side
    14,517.24x = 184,487,440.32
  5. Step 5: Solve for x
    x = 184,487,440.32/14,517.24
  6. Step 6: Final answer
    x = 12,708.16

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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.