Home / 11,342.13-17,015.01-3,948.69

Finding the Fourth Proportional to 11,342.13, 17,015.01 and 3,948.69

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Solution

The fourth proportional to 11,342.13, 17,015.01 and 3,948.69 is: 5,923.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.13 : 17,015.01 = 3,948.69 : x
  2. Step 2: Convert to fraction form
    11,342.13/17,015.01 = 3,948.69/x
  3. Step 3: Cross multiply
    11,342.13x = 17,015.01 × 3,948.69
  4. Step 4: Simplify right side
    11,342.13x = 67,186,999.84
  5. Step 5: Solve for x
    x = 67,186,999.84/11,342.13
  6. Step 6: Final answer
    x = 5,923.67

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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.