Home / 19,749.64-29,624.49-7,908.75

Finding the Fourth Proportional to 19,749.64, 29,624.49 and 7,908.75

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Solution

The fourth proportional to 19,749.64, 29,624.49 and 7,908.75 is: 11,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.64 : 29,624.49 = 7,908.75 : x
  2. Step 2: Convert to fraction form
    19,749.64/29,624.49 = 7,908.75/x
  3. Step 3: Cross multiply
    19,749.64x = 29,624.49 × 7,908.75
  4. Step 4: Simplify right side
    19,749.64x = 234,292,537.17
  5. Step 5: Solve for x
    x = 234,292,537.17/19,749.64
  6. Step 6: Final answer
    x = 11,863.13

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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.