Home / 11,864.64-16,371.76-6,558.72

Finding the Fourth Proportional to 11,864.64, 16,371.76 and 6,558.72

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Solution

The fourth proportional to 11,864.64, 16,371.76 and 6,558.72 is: 9,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.64 : 16,371.76 = 6,558.72 : x
  2. Step 2: Convert to fraction form
    11,864.64/16,371.76 = 6,558.72/x
  3. Step 3: Cross multiply
    11,864.64x = 16,371.76 × 6,558.72
  4. Step 4: Simplify right side
    11,864.64x = 107,377,789.75
  5. Step 5: Solve for x
    x = 107,377,789.75/11,864.64
  6. Step 6: Final answer
    x = 9,050.24

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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.