Home / 9,156.36-12,633.66-6,177.72

Finding the Fourth Proportional to 9,156.36, 12,633.66 and 6,177.72

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Solution

The fourth proportional to 9,156.36, 12,633.66 and 6,177.72 is: 8,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.36 : 12,633.66 = 6,177.72 : x
  2. Step 2: Convert to fraction form
    9,156.36/12,633.66 = 6,177.72/x
  3. Step 3: Cross multiply
    9,156.36x = 12,633.66 × 6,177.72
  4. Step 4: Simplify right side
    9,156.36x = 78,047,214.06
  5. Step 5: Solve for x
    x = 78,047,214.06/9,156.36
  6. Step 6: Final answer
    x = 8,523.83

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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.