Home / 10,260.90-15,391.83-5,327.42

Finding the Fourth Proportional to 10,260.90, 15,391.83 and 5,327.42

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Solution

The fourth proportional to 10,260.90, 15,391.83 and 5,327.42 is: 7,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.90 : 15,391.83 = 5,327.42 : x
  2. Step 2: Convert to fraction form
    10,260.90/15,391.83 = 5,327.42/x
  3. Step 3: Cross multiply
    10,260.90x = 15,391.83 × 5,327.42
  4. Step 4: Simplify right side
    10,260.90x = 81,998,742.98
  5. Step 5: Solve for x
    x = 81,998,742.98/10,260.90
  6. Step 6: Final answer
    x = 7,991.38

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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.