Home / 19,441.36-29,162.28-7,747.76

Finding the Fourth Proportional to 19,441.36, 29,162.28 and 7,747.76

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Solution

The fourth proportional to 19,441.36, 29,162.28 and 7,747.76 is: 11,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,441.36 : 29,162.28 = 7,747.76 : x
  2. Step 2: Convert to fraction form
    19,441.36/29,162.28 = 7,747.76/x
  3. Step 3: Cross multiply
    19,441.36x = 29,162.28 × 7,747.76
  4. Step 4: Simplify right side
    19,441.36x = 225,942,346.49
  5. Step 5: Solve for x
    x = 225,942,346.49/19,441.36
  6. Step 6: Final answer
    x = 11,621.74

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Similar ratio
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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.