Home / 13,919.12-20,865.88-6,016.68

Finding the Fourth Proportional to 13,919.12, 20,865.88 and 6,016.68

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Solution

The fourth proportional to 13,919.12, 20,865.88 and 6,016.68 is: 9,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.12 : 20,865.88 = 6,016.68 : x
  2. Step 2: Convert to fraction form
    13,919.12/20,865.88 = 6,016.68/x
  3. Step 3: Cross multiply
    13,919.12x = 20,865.88 × 6,016.68
  4. Step 4: Simplify right side
    13,919.12x = 125,543,313.48
  5. Step 5: Solve for x
    x = 125,543,313.48/13,919.12
  6. Step 6: Final answer
    x = 9,019.49

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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.