Home / 9,108.94-13,630.90-6,613.02

Finding the Fourth Proportional to 9,108.94, 13,630.90 and 6,613.02

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Solution

The fourth proportional to 9,108.94, 13,630.90 and 6,613.02 is: 9,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.94 : 13,630.90 = 6,613.02 : x
  2. Step 2: Convert to fraction form
    9,108.94/13,630.90 = 6,613.02/x
  3. Step 3: Cross multiply
    9,108.94x = 13,630.90 × 6,613.02
  4. Step 4: Simplify right side
    9,108.94x = 90,141,414.32
  5. Step 5: Solve for x
    x = 90,141,414.32/9,108.94
  6. Step 6: Final answer
    x = 9,895.93

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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.