Home / 9,415.62-12,995.37-6,229.08

Finding the Fourth Proportional to 9,415.62, 12,995.37 and 6,229.08

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Solution

The fourth proportional to 9,415.62, 12,995.37 and 6,229.08 is: 8,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.62 : 12,995.37 = 6,229.08 : x
  2. Step 2: Convert to fraction form
    9,415.62/12,995.37 = 6,229.08/x
  3. Step 3: Cross multiply
    9,415.62x = 12,995.37 × 6,229.08
  4. Step 4: Simplify right side
    9,415.62x = 80,949,199.36
  5. Step 5: Solve for x
    x = 80,949,199.36/9,415.62
  6. Step 6: Final answer
    x = 8,597.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.