Home / 11,679.10-16,117.03-6,373.87

Finding the Fourth Proportional to 11,679.10, 16,117.03 and 6,373.87

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Solution

The fourth proportional to 11,679.10, 16,117.03 and 6,373.87 is: 8,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.10 : 16,117.03 = 6,373.87 : x
  2. Step 2: Convert to fraction form
    11,679.10/16,117.03 = 6,373.87/x
  3. Step 3: Cross multiply
    11,679.10x = 16,117.03 × 6,373.87
  4. Step 4: Simplify right side
    11,679.10x = 102,727,854.01
  5. Step 5: Solve for x
    x = 102,727,854.01/11,679.10
  6. Step 6: Final answer
    x = 8,795.87

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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.