Home / 8,062.60-11,996.35-7,861.72

Finding the Fourth Proportional to 8,062.60, 11,996.35 and 7,861.72

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Solution

The fourth proportional to 8,062.60, 11,996.35 and 7,861.72 is: 11,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.60 : 11,996.35 = 7,861.72 : x
  2. Step 2: Convert to fraction form
    8,062.60/11,996.35 = 7,861.72/x
  3. Step 3: Cross multiply
    8,062.60x = 11,996.35 × 7,861.72
  4. Step 4: Simplify right side
    8,062.60x = 94,311,944.72
  5. Step 5: Solve for x
    x = 94,311,944.72/8,062.60
  6. Step 6: Final answer
    x = 11,697.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.