Home / 9,693.40-13,379.06-6,155.96

Finding the Fourth Proportional to 9,693.40, 13,379.06 and 6,155.96

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Solution

The fourth proportional to 9,693.40, 13,379.06 and 6,155.96 is: 8,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693.40 : 13,379.06 = 6,155.96 : x
  2. Step 2: Convert to fraction form
    9,693.40/13,379.06 = 6,155.96/x
  3. Step 3: Cross multiply
    9,693.40x = 13,379.06 × 6,155.96
  4. Step 4: Simplify right side
    9,693.40x = 82,360,958.20
  5. Step 5: Solve for x
    x = 82,360,958.20/9,693.40
  6. Step 6: Final answer
    x = 8,496.60

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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.