Home / 11,684.34-16,123.78-6,379.08

Finding the Fourth Proportional to 11,684.34, 16,123.78 and 6,379.08

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Solution

The fourth proportional to 11,684.34, 16,123.78 and 6,379.08 is: 8,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.34 : 16,123.78 = 6,379.08 : x
  2. Step 2: Convert to fraction form
    11,684.34/16,123.78 = 6,379.08/x
  3. Step 3: Cross multiply
    11,684.34x = 16,123.78 × 6,379.08
  4. Step 4: Simplify right side
    11,684.34x = 102,854,882.52
  5. Step 5: Solve for x
    x = 102,854,882.52/11,684.34
  6. Step 6: Final answer
    x = 8,802.80

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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.