Home / 9,326.72-12,856.96-6,177.44

Finding the Fourth Proportional to 9,326.72, 12,856.96 and 6,177.44

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Solution

The fourth proportional to 9,326.72, 12,856.96 and 6,177.44 is: 8,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.72 : 12,856.96 = 6,177.44 : x
  2. Step 2: Convert to fraction form
    9,326.72/12,856.96 = 6,177.44/x
  3. Step 3: Cross multiply
    9,326.72x = 12,856.96 × 6,177.44
  4. Step 4: Simplify right side
    9,326.72x = 79,423,098.98
  5. Step 5: Solve for x
    x = 79,423,098.98/9,326.72
  6. Step 6: Final answer
    x = 8,515.65

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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.