Home / 8,917.18-13,376.38-2,343.36

Finding the Fourth Proportional to 8,917.18, 13,376.38 and 2,343.36

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Solution

The fourth proportional to 8,917.18, 13,376.38 and 2,343.36 is: 3,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.18 : 13,376.38 = 2,343.36 : x
  2. Step 2: Convert to fraction form
    8,917.18/13,376.38 = 2,343.36/x
  3. Step 3: Cross multiply
    8,917.18x = 13,376.38 × 2,343.36
  4. Step 4: Simplify right side
    8,917.18x = 31,345,673.84
  5. Step 5: Solve for x
    x = 31,345,673.84/8,917.18
  6. Step 6: Final answer
    x = 3,515.20

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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.