Home / 13,338.96-20,019.24-6,767.02

Finding the Fourth Proportional to 13,338.96, 20,019.24 and 6,767.02

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Solution

The fourth proportional to 13,338.96, 20,019.24 and 6,767.02 is: 10,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.96 : 20,019.24 = 6,767.02 : x
  2. Step 2: Convert to fraction form
    13,338.96/20,019.24 = 6,767.02/x
  3. Step 3: Cross multiply
    13,338.96x = 20,019.24 × 6,767.02
  4. Step 4: Simplify right side
    13,338.96x = 135,470,597.46
  5. Step 5: Solve for x
    x = 135,470,597.46/13,338.96
  6. Step 6: Final answer
    x = 10,156.01

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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.