Home / 10,157.03-15,228.39-3,911.81

Finding the Fourth Proportional to 10,157.03, 15,228.39 and 3,911.81

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Solution

The fourth proportional to 10,157.03, 15,228.39 and 3,911.81 is: 5,864.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.03 : 15,228.39 = 3,911.81 : x
  2. Step 2: Convert to fraction form
    10,157.03/15,228.39 = 3,911.81/x
  3. Step 3: Cross multiply
    10,157.03x = 15,228.39 × 3,911.81
  4. Step 4: Simplify right side
    10,157.03x = 59,570,568.29
  5. Step 5: Solve for x
    x = 59,570,568.29/10,157.03
  6. Step 6: Final answer
    x = 5,864.96

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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.