Home / 17,338.78-25,985.49-6,938.38

Finding the Fourth Proportional to 17,338.78, 25,985.49 and 6,938.38

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Solution

The fourth proportional to 17,338.78, 25,985.49 and 6,938.38 is: 10,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,338.78 : 25,985.49 = 6,938.38 : x
  2. Step 2: Convert to fraction form
    17,338.78/25,985.49 = 6,938.38/x
  3. Step 3: Cross multiply
    17,338.78x = 25,985.49 × 6,938.38
  4. Step 4: Simplify right side
    17,338.78x = 180,297,204.11
  5. Step 5: Solve for x
    x = 180,297,204.11/17,338.78
  6. Step 6: Final answer
    x = 10,398.49

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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.