Home / 10,241.44-15,347.87-7,740.56

Finding the Fourth Proportional to 10,241.44, 15,347.87 and 7,740.56

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Solution

The fourth proportional to 10,241.44, 15,347.87 and 7,740.56 is: 11,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,241.44 : 15,347.87 = 7,740.56 : x
  2. Step 2: Convert to fraction form
    10,241.44/15,347.87 = 7,740.56/x
  3. Step 3: Cross multiply
    10,241.44x = 15,347.87 × 7,740.56
  4. Step 4: Simplify right side
    10,241.44x = 118,801,137.30
  5. Step 5: Solve for x
    x = 118,801,137.30/10,241.44
  6. Step 6: Final answer
    x = 11,600.05

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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.