Home / 9,705.83-13,389.30-6,170.18

Finding the Fourth Proportional to 9,705.83, 13,389.30 and 6,170.18

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Solution

The fourth proportional to 9,705.83, 13,389.30 and 6,170.18 is: 8,511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.83 : 13,389.30 = 6,170.18 : x
  2. Step 2: Convert to fraction form
    9,705.83/13,389.30 = 6,170.18/x
  3. Step 3: Cross multiply
    9,705.83x = 13,389.30 × 6,170.18
  4. Step 4: Simplify right side
    9,705.83x = 82,614,324.13
  5. Step 5: Solve for x
    x = 82,614,324.13/9,705.83
  6. Step 6: Final answer
    x = 8,511.83

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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.