Home / 11,340.19-17,011.81-3,943.69

Finding the Fourth Proportional to 11,340.19, 17,011.81 and 3,943.69

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Solution

The fourth proportional to 11,340.19, 17,011.81 and 3,943.69 is: 5,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.19 : 17,011.81 = 3,943.69 : x
  2. Step 2: Convert to fraction form
    11,340.19/17,011.81 = 3,943.69/x
  3. Step 3: Cross multiply
    11,340.19x = 17,011.81 × 3,943.69
  4. Step 4: Simplify right side
    11,340.19x = 67,089,219.92
  5. Step 5: Solve for x
    x = 67,089,219.92/11,340.19
  6. Step 6: Final answer
    x = 5,916.06

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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.