Home / 11,379.88-17,047.95-6,434.83

Finding the Fourth Proportional to 11,379.88, 17,047.95 and 6,434.83

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Solution

The fourth proportional to 11,379.88, 17,047.95 and 6,434.83 is: 9,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.88 : 17,047.95 = 6,434.83 : x
  2. Step 2: Convert to fraction form
    11,379.88/17,047.95 = 6,434.83/x
  3. Step 3: Cross multiply
    11,379.88x = 17,047.95 × 6,434.83
  4. Step 4: Simplify right side
    11,379.88x = 109,700,660.10
  5. Step 5: Solve for x
    x = 109,700,660.10/11,379.88
  6. Step 6: Final answer
    x = 9,639.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.