Home / 15,658.94-21,610.70-8,586.73

Finding the Fourth Proportional to 15,658.94, 21,610.70 and 8,586.73

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Solution

The fourth proportional to 15,658.94, 21,610.70 and 8,586.73 is: 11,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.94 : 21,610.70 = 8,586.73 : x
  2. Step 2: Convert to fraction form
    15,658.94/21,610.70 = 8,586.73/x
  3. Step 3: Cross multiply
    15,658.94x = 21,610.70 × 8,586.73
  4. Step 4: Simplify right side
    15,658.94x = 185,565,246.01
  5. Step 5: Solve for x
    x = 185,565,246.01/15,658.94
  6. Step 6: Final answer
    x = 11,850.43

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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.