Home / 17,005.78-25,519.47-6,617.62

Finding the Fourth Proportional to 17,005.78, 25,519.47 and 6,617.62

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Solution

The fourth proportional to 17,005.78, 25,519.47 and 6,617.62 is: 9,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,005.78 : 25,519.47 = 6,617.62 : x
  2. Step 2: Convert to fraction form
    17,005.78/25,519.47 = 6,617.62/x
  3. Step 3: Cross multiply
    17,005.78x = 25,519.47 × 6,617.62
  4. Step 4: Simplify right side
    17,005.78x = 168,878,155.06
  5. Step 5: Solve for x
    x = 168,878,155.06/17,005.78
  6. Step 6: Final answer
    x = 9,930.63

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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.