Home / 9,316.96-12,861.44-6,659.76

Finding the Fourth Proportional to 9,316.96, 12,861.44 and 6,659.76

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Solution

The fourth proportional to 9,316.96, 12,861.44 and 6,659.76 is: 9,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.96 : 12,861.44 = 6,659.76 : x
  2. Step 2: Convert to fraction form
    9,316.96/12,861.44 = 6,659.76/x
  3. Step 3: Cross multiply
    9,316.96x = 12,861.44 × 6,659.76
  4. Step 4: Simplify right side
    9,316.96x = 85,654,103.65
  5. Step 5: Solve for x
    x = 85,654,103.65/9,316.96
  6. Step 6: Final answer
    x = 9,193.35

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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.