Home / 9,863.91-13,608.90-6,508.35

Finding the Fourth Proportional to 9,863.91, 13,608.90 and 6,508.35

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Solution

The fourth proportional to 9,863.91, 13,608.90 and 6,508.35 is: 8,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.91 : 13,608.90 = 6,508.35 : x
  2. Step 2: Convert to fraction form
    9,863.91/13,608.90 = 6,508.35/x
  3. Step 3: Cross multiply
    9,863.91x = 13,608.90 × 6,508.35
  4. Step 4: Simplify right side
    9,863.91x = 88,571,484.32
  5. Step 5: Solve for x
    x = 88,571,484.32/9,863.91
  6. Step 6: Final answer
    x = 8,979.35

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Similar ratio
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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.