Home / 20,632.84-30,961.14-8,947.24

Finding the Fourth Proportional to 20,632.84, 30,961.14 and 8,947.24

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Solution

The fourth proportional to 20,632.84, 30,961.14 and 8,947.24 is: 13,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632.84 : 30,961.14 = 8,947.24 : x
  2. Step 2: Convert to fraction form
    20,632.84/30,961.14 = 8,947.24/x
  3. Step 3: Cross multiply
    20,632.84x = 30,961.14 × 8,947.24
  4. Step 4: Simplify right side
    20,632.84x = 277,016,750.25
  5. Step 5: Solve for x
    x = 277,016,750.25/20,632.84
  6. Step 6: Final answer
    x = 13,426.01

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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.