Home / 16,775.52-25,161.81-5,681.97

Finding the Fourth Proportional to 16,775.52, 25,161.81 and 5,681.97

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Solution

The fourth proportional to 16,775.52, 25,161.81 and 5,681.97 is: 8,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.52 : 25,161.81 = 5,681.97 : x
  2. Step 2: Convert to fraction form
    16,775.52/25,161.81 = 5,681.97/x
  3. Step 3: Cross multiply
    16,775.52x = 25,161.81 × 5,681.97
  4. Step 4: Simplify right side
    16,775.52x = 142,968,649.57
  5. Step 5: Solve for x
    x = 142,968,649.57/16,775.52
  6. Step 6: Final answer
    x = 8,522.46

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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.