Home / 9,705.17-13,379.01-6,863.69

Finding the Fourth Proportional to 9,705.17, 13,379.01 and 6,863.69

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Solution

The fourth proportional to 9,705.17, 13,379.01 and 6,863.69 is: 9,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.17 : 13,379.01 = 6,863.69 : x
  2. Step 2: Convert to fraction form
    9,705.17/13,379.01 = 6,863.69/x
  3. Step 3: Cross multiply
    9,705.17x = 13,379.01 × 6,863.69
  4. Step 4: Simplify right side
    9,705.17x = 91,829,310.25
  5. Step 5: Solve for x
    x = 91,829,310.25/9,705.17
  6. Step 6: Final answer
    x = 9,461.90

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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.