Home / 9,216.72-12,736.08-6,974.64

Finding the Fourth Proportional to 9,216.72, 12,736.08 and 6,974.64

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Solution

The fourth proportional to 9,216.72, 12,736.08 and 6,974.64 is: 9,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.72 : 12,736.08 = 6,974.64 : x
  2. Step 2: Convert to fraction form
    9,216.72/12,736.08 = 6,974.64/x
  3. Step 3: Cross multiply
    9,216.72x = 12,736.08 × 6,974.64
  4. Step 4: Simplify right side
    9,216.72x = 88,829,573.01
  5. Step 5: Solve for x
    x = 88,829,573.01/9,216.72
  6. Step 6: Final answer
    x = 9,637.87

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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.