Home / 15,947.28-23,922-4,261.68

Finding the Fourth Proportional to 15,947.28, 23,922 and 4,261.68

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Solution

The fourth proportional to 15,947.28, 23,922 and 4,261.68 is: 6,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.28 : 23,922 = 4,261.68 : x
  2. Step 2: Convert to fraction form
    15,947.28/23,922 = 4,261.68/x
  3. Step 3: Cross multiply
    15,947.28x = 23,922 × 4,261.68
  4. Step 4: Simplify right side
    15,947.28x = 101,947,908.96
  5. Step 5: Solve for x
    x = 101,947,908.96/15,947.28
  6. Step 6: Final answer
    x = 6,392.81

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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.