Home / 11,939.34-16,477.52-6,635.87

Finding the Fourth Proportional to 11,939.34, 16,477.52 and 6,635.87

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Solution

The fourth proportional to 11,939.34, 16,477.52 and 6,635.87 is: 9,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.34 : 16,477.52 = 6,635.87 : x
  2. Step 2: Convert to fraction form
    11,939.34/16,477.52 = 6,635.87/x
  3. Step 3: Cross multiply
    11,939.34x = 16,477.52 × 6,635.87
  4. Step 4: Simplify right side
    11,939.34x = 109,342,565.08
  5. Step 5: Solve for x
    x = 109,342,565.08/11,939.34
  6. Step 6: Final answer
    x = 9,158.17

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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.