Home / 13,522.17-20,280.75-3,660.17

Finding the Fourth Proportional to 13,522.17, 20,280.75 and 3,660.17

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Solution

The fourth proportional to 13,522.17, 20,280.75 and 3,660.17 is: 5,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.17 : 20,280.75 = 3,660.17 : x
  2. Step 2: Convert to fraction form
    13,522.17/20,280.75 = 3,660.17/x
  3. Step 3: Cross multiply
    13,522.17x = 20,280.75 × 3,660.17
  4. Step 4: Simplify right side
    13,522.17x = 74,230,891.32
  5. Step 5: Solve for x
    x = 74,230,891.32/13,522.17
  6. Step 6: Final answer
    x = 5,489.57

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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.