Home / 13,718.39-20,577.60-3,330.14

Finding the Fourth Proportional to 13,718.39, 20,577.60 and 3,330.14

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Solution

The fourth proportional to 13,718.39, 20,577.60 and 3,330.14 is: 4,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.39 : 20,577.60 = 3,330.14 : x
  2. Step 2: Convert to fraction form
    13,718.39/20,577.60 = 3,330.14/x
  3. Step 3: Cross multiply
    13,718.39x = 20,577.60 × 3,330.14
  4. Step 4: Simplify right side
    13,718.39x = 68,526,185.98
  5. Step 5: Solve for x
    x = 68,526,185.98/13,718.39
  6. Step 6: Final answer
    x = 4,995.21

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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.