Home / 11,678.59-16,116.85-6,373.70

Finding the Fourth Proportional to 11,678.59, 16,116.85 and 6,373.70

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Solution

The fourth proportional to 11,678.59, 16,116.85 and 6,373.70 is: 8,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.59 : 16,116.85 = 6,373.70 : x
  2. Step 2: Convert to fraction form
    11,678.59/16,116.85 = 6,373.70/x
  3. Step 3: Cross multiply
    11,678.59x = 16,116.85 × 6,373.70
  4. Step 4: Simplify right side
    11,678.59x = 102,723,966.85
  5. Step 5: Solve for x
    x = 102,723,966.85/11,678.59
  6. Step 6: Final answer
    x = 8,795.92

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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.