Home / 15,694.73-21,658.64-8,524.59

Finding the Fourth Proportional to 15,694.73, 21,658.64 and 8,524.59

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Solution

The fourth proportional to 15,694.73, 21,658.64 and 8,524.59 is: 11,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,694.73 : 21,658.64 = 8,524.59 : x
  2. Step 2: Convert to fraction form
    15,694.73/21,658.64 = 8,524.59/x
  3. Step 3: Cross multiply
    15,694.73x = 21,658.64 × 8,524.59
  4. Step 4: Simplify right side
    15,694.73x = 184,631,025.96
  5. Step 5: Solve for x
    x = 184,631,025.96/15,694.73
  6. Step 6: Final answer
    x = 11,763.89

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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.