Home / 10,644.60-15,964.85-4,069.25

Finding the Fourth Proportional to 10,644.60, 15,964.85 and 4,069.25

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Solution

The fourth proportional to 10,644.60, 15,964.85 and 4,069.25 is: 6,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.60 : 15,964.85 = 4,069.25 : x
  2. Step 2: Convert to fraction form
    10,644.60/15,964.85 = 4,069.25/x
  3. Step 3: Cross multiply
    10,644.60x = 15,964.85 × 4,069.25
  4. Step 4: Simplify right side
    10,644.60x = 64,964,865.69
  5. Step 5: Solve for x
    x = 64,964,865.69/10,644.60
  6. Step 6: Final answer
    x = 6,103.08

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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.