Home / 13,964.15-20,936.42-6,564.80

Finding the Fourth Proportional to 13,964.15, 20,936.42 and 6,564.80

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Solution

The fourth proportional to 13,964.15, 20,936.42 and 6,564.80 is: 9,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.15 : 20,936.42 = 6,564.80 : x
  2. Step 2: Convert to fraction form
    13,964.15/20,936.42 = 6,564.80/x
  3. Step 3: Cross multiply
    13,964.15x = 20,936.42 × 6,564.80
  4. Step 4: Simplify right side
    13,964.15x = 137,443,373.31
  5. Step 5: Solve for x
    x = 137,443,373.31/13,964.15
  6. Step 6: Final answer
    x = 9,842.59

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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.