Home / 9,216.88-12,715.25-6,231.63

Finding the Fourth Proportional to 9,216.88, 12,715.25 and 6,231.63

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Solution

The fourth proportional to 9,216.88, 12,715.25 and 6,231.63 is: 8,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.88 : 12,715.25 = 6,231.63 : x
  2. Step 2: Convert to fraction form
    9,216.88/12,715.25 = 6,231.63/x
  3. Step 3: Cross multiply
    9,216.88x = 12,715.25 × 6,231.63
  4. Step 4: Simplify right side
    9,216.88x = 79,236,733.36
  5. Step 5: Solve for x
    x = 79,236,733.36/9,216.88
  6. Step 6: Final answer
    x = 8,596.91

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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.