Home / 8,983.95-12,399.66-6,157.05

Finding the Fourth Proportional to 8,983.95, 12,399.66 and 6,157.05

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Solution

The fourth proportional to 8,983.95, 12,399.66 and 6,157.05 is: 8,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.95 : 12,399.66 = 6,157.05 : x
  2. Step 2: Convert to fraction form
    8,983.95/12,399.66 = 6,157.05/x
  3. Step 3: Cross multiply
    8,983.95x = 12,399.66 × 6,157.05
  4. Step 4: Simplify right side
    8,983.95x = 76,345,326.60
  5. Step 5: Solve for x
    x = 76,345,326.60/8,983.95
  6. Step 6: Final answer
    x = 8,497.97

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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.