Home / 13,496.42-20,248.68-5,176.64

Finding the Fourth Proportional to 13,496.42, 20,248.68 and 5,176.64

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Solution

The fourth proportional to 13,496.42, 20,248.68 and 5,176.64 is: 7,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.42 : 20,248.68 = 5,176.64 : x
  2. Step 2: Convert to fraction form
    13,496.42/20,248.68 = 5,176.64/x
  3. Step 3: Cross multiply
    13,496.42x = 20,248.68 × 5,176.64
  4. Step 4: Simplify right side
    13,496.42x = 104,820,126.84
  5. Step 5: Solve for x
    x = 104,820,126.84/13,496.42
  6. Step 6: Final answer
    x = 7,766.51

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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.