Home / 15,613.94-21,546.69-8,901.73

Finding the Fourth Proportional to 15,613.94, 21,546.69 and 8,901.73

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Solution

The fourth proportional to 15,613.94, 21,546.69 and 8,901.73 is: 12,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.94 : 21,546.69 = 8,901.73 : x
  2. Step 2: Convert to fraction form
    15,613.94/21,546.69 = 8,901.73/x
  3. Step 3: Cross multiply
    15,613.94x = 21,546.69 × 8,901.73
  4. Step 4: Simplify right side
    15,613.94x = 191,802,739.20
  5. Step 5: Solve for x
    x = 191,802,739.20/15,613.94
  6. Step 6: Final answer
    x = 12,284.07

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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.