Home / 21,179.14-31,768.14-5,596.90

Finding the Fourth Proportional to 21,179.14, 31,768.14 and 5,596.90

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Solution

The fourth proportional to 21,179.14, 31,768.14 and 5,596.90 is: 8,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,179.14 : 31,768.14 = 5,596.90 : x
  2. Step 2: Convert to fraction form
    21,179.14/31,768.14 = 5,596.90/x
  3. Step 3: Cross multiply
    21,179.14x = 31,768.14 × 5,596.90
  4. Step 4: Simplify right side
    21,179.14x = 177,803,102.77
  5. Step 5: Solve for x
    x = 177,803,102.77/21,179.14
  6. Step 6: Final answer
    x = 8,395.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.