Home / 13,522.68-20,286.38-6,515.34

Finding the Fourth Proportional to 13,522.68, 20,286.38 and 6,515.34

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Solution

The fourth proportional to 13,522.68, 20,286.38 and 6,515.34 is: 9,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.68 : 20,286.38 = 6,515.34 : x
  2. Step 2: Convert to fraction form
    13,522.68/20,286.38 = 6,515.34/x
  3. Step 3: Cross multiply
    13,522.68x = 20,286.38 × 6,515.34
  4. Step 4: Simplify right side
    13,522.68x = 132,172,603.28
  5. Step 5: Solve for x
    x = 132,172,603.28/13,522.68
  6. Step 6: Final answer
    x = 9,774.14

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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.