Home / 19,749.77-29,624.68-7,908.87

Finding the Fourth Proportional to 19,749.77, 29,624.68 and 7,908.87

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Solution

The fourth proportional to 19,749.77, 29,624.68 and 7,908.87 is: 11,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.77 : 29,624.68 = 7,908.87 : x
  2. Step 2: Convert to fraction form
    19,749.77/29,624.68 = 7,908.87/x
  3. Step 3: Cross multiply
    19,749.77x = 29,624.68 × 7,908.87
  4. Step 4: Simplify right side
    19,749.77x = 234,297,723.14
  5. Step 5: Solve for x
    x = 234,297,723.14/19,749.77
  6. Step 6: Final answer
    x = 11,863.32

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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.