Home / 10,345.30-15,517.95-6,198.10

Finding the Fourth Proportional to 10,345.30, 15,517.95 and 6,198.10

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Solution

The fourth proportional to 10,345.30, 15,517.95 and 6,198.10 is: 9,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.30 : 15,517.95 = 6,198.10 : x
  2. Step 2: Convert to fraction form
    10,345.30/15,517.95 = 6,198.10/x
  3. Step 3: Cross multiply
    10,345.30x = 15,517.95 × 6,198.10
  4. Step 4: Simplify right side
    10,345.30x = 96,181,805.90
  5. Step 5: Solve for x
    x = 96,181,805.90/10,345.30
  6. Step 6: Final answer
    x = 9,297.15

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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.