Home / 13,334.39-20,013.89-6,765.18

Finding the Fourth Proportional to 13,334.39, 20,013.89 and 6,765.18

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Solution

The fourth proportional to 13,334.39, 20,013.89 and 6,765.18 is: 10,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.39 : 20,013.89 = 6,765.18 : x
  2. Step 2: Convert to fraction form
    13,334.39/20,013.89 = 6,765.18/x
  3. Step 3: Cross multiply
    13,334.39x = 20,013.89 × 6,765.18
  4. Step 4: Simplify right side
    13,334.39x = 135,397,534.52
  5. Step 5: Solve for x
    x = 135,397,534.52/13,334.39
  6. Step 6: Final answer
    x = 10,154.01

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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.