Home / 10,383.44-15,566.60-4,140.80

Finding the Fourth Proportional to 10,383.44, 15,566.60 and 4,140.80

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Solution

The fourth proportional to 10,383.44, 15,566.60 and 4,140.80 is: 6,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.44 : 15,566.60 = 4,140.80 : x
  2. Step 2: Convert to fraction form
    10,383.44/15,566.60 = 4,140.80/x
  3. Step 3: Cross multiply
    10,383.44x = 15,566.60 × 4,140.80
  4. Step 4: Simplify right side
    10,383.44x = 64,458,177.28
  5. Step 5: Solve for x
    x = 64,458,177.28/10,383.44
  6. Step 6: Final answer
    x = 6,207.79

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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.