Home / 10,086.96-15,130.44-3,162

Finding the Fourth Proportional to 10,086.96, 15,130.44 and 3,162

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Solution

The fourth proportional to 10,086.96, 15,130.44 and 3,162 is: 4,743.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.96 : 15,130.44 = 3,162 : x
  2. Step 2: Convert to fraction form
    10,086.96/15,130.44 = 3,162/x
  3. Step 3: Cross multiply
    10,086.96x = 15,130.44 × 3,162
  4. Step 4: Simplify right side
    10,086.96x = 47,842,451.28
  5. Step 5: Solve for x
    x = 47,842,451.28/10,086.96
  6. Step 6: Final answer
    x = 4,743.00

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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.