Home / 11,305.70-15,601.18-6,269.62

Finding the Fourth Proportional to 11,305.70, 15,601.18 and 6,269.62

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Solution

The fourth proportional to 11,305.70, 15,601.18 and 6,269.62 is: 8,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.70 : 15,601.18 = 6,269.62 : x
  2. Step 2: Convert to fraction form
    11,305.70/15,601.18 = 6,269.62/x
  3. Step 3: Cross multiply
    11,305.70x = 15,601.18 × 6,269.62
  4. Step 4: Simplify right side
    11,305.70x = 97,813,470.15
  5. Step 5: Solve for x
    x = 97,813,470.15/11,305.70
  6. Step 6: Final answer
    x = 8,651.70

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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.