Home / 13,947.75-20,924.66-6,156.56

Finding the Fourth Proportional to 13,947.75, 20,924.66 and 6,156.56

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Solution

The fourth proportional to 13,947.75, 20,924.66 and 6,156.56 is: 9,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.75 : 20,924.66 = 6,156.56 : x
  2. Step 2: Convert to fraction form
    13,947.75/20,924.66 = 6,156.56/x
  3. Step 3: Cross multiply
    13,947.75x = 20,924.66 × 6,156.56
  4. Step 4: Simplify right side
    13,947.75x = 128,823,992.47
  5. Step 5: Solve for x
    x = 128,823,992.47/13,947.75
  6. Step 6: Final answer
    x = 9,236.18

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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.