Home / 15,706.37-21,677.94-9,331.73

Finding the Fourth Proportional to 15,706.37, 21,677.94 and 9,331.73

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Solution

The fourth proportional to 15,706.37, 21,677.94 and 9,331.73 is: 12,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706.37 : 21,677.94 = 9,331.73 : x
  2. Step 2: Convert to fraction form
    15,706.37/21,677.94 = 9,331.73/x
  3. Step 3: Cross multiply
    15,706.37x = 21,677.94 × 9,331.73
  4. Step 4: Simplify right side
    15,706.37x = 202,292,749.84
  5. Step 5: Solve for x
    x = 202,292,749.84/15,706.37
  6. Step 6: Final answer
    x = 12,879.66

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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.