Home / 15,708.37-21,680.70-9,333.73

Finding the Fourth Proportional to 15,708.37, 21,680.70 and 9,333.73

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Solution

The fourth proportional to 15,708.37, 21,680.70 and 9,333.73 is: 12,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.37 : 21,680.70 = 9,333.73 : x
  2. Step 2: Convert to fraction form
    15,708.37/21,680.70 = 9,333.73/x
  3. Step 3: Cross multiply
    15,708.37x = 21,680.70 × 9,333.73
  4. Step 4: Simplify right side
    15,708.37x = 202,361,800.01
  5. Step 5: Solve for x
    x = 202,361,800.01/15,708.37
  6. Step 6: Final answer
    x = 12,882.42

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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.