Home / 10,011.35-15,016.83-2,991.38

Finding the Fourth Proportional to 10,011.35, 15,016.83 and 2,991.38

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Solution

The fourth proportional to 10,011.35, 15,016.83 and 2,991.38 is: 4,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.35 : 15,016.83 = 2,991.38 : x
  2. Step 2: Convert to fraction form
    10,011.35/15,016.83 = 2,991.38/x
  3. Step 3: Cross multiply
    10,011.35x = 15,016.83 × 2,991.38
  4. Step 4: Simplify right side
    10,011.35x = 44,921,043.09
  5. Step 5: Solve for x
    x = 44,921,043.09/10,011.35
  6. Step 6: Final answer
    x = 4,487.01

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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.