Home / 22,361.72-33,547.46-6,780.56

Finding the Fourth Proportional to 22,361.72, 33,547.46 and 6,780.56

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Solution

The fourth proportional to 22,361.72, 33,547.46 and 6,780.56 is: 10,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.72 : 33,547.46 = 6,780.56 : x
  2. Step 2: Convert to fraction form
    22,361.72/33,547.46 = 6,780.56/x
  3. Step 3: Cross multiply
    22,361.72x = 33,547.46 × 6,780.56
  4. Step 4: Simplify right side
    22,361.72x = 227,470,363.74
  5. Step 5: Solve for x
    x = 227,470,363.74/22,361.72
  6. Step 6: Final answer
    x = 10,172.31

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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.