Home / 11,305.12-15,601.03-6,269.38

Finding the Fourth Proportional to 11,305.12, 15,601.03 and 6,269.38

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Solution

The fourth proportional to 11,305.12, 15,601.03 and 6,269.38 is: 8,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.12 : 15,601.03 = 6,269.38 : x
  2. Step 2: Convert to fraction form
    11,305.12/15,601.03 = 6,269.38/x
  3. Step 3: Cross multiply
    11,305.12x = 15,601.03 × 6,269.38
  4. Step 4: Simplify right side
    11,305.12x = 97,808,785.46
  5. Step 5: Solve for x
    x = 97,808,785.46/11,305.12
  6. Step 6: Final answer
    x = 8,651.72

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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.