Home / 19,759.30-29,650.66-7,288.08

Finding the Fourth Proportional to 19,759.30, 29,650.66 and 7,288.08

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Solution

The fourth proportional to 19,759.30, 29,650.66 and 7,288.08 is: 10,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.30 : 29,650.66 = 7,288.08 : x
  2. Step 2: Convert to fraction form
    19,759.30/29,650.66 = 7,288.08/x
  3. Step 3: Cross multiply
    19,759.30x = 29,650.66 × 7,288.08
  4. Step 4: Simplify right side
    19,759.30x = 216,096,382.13
  5. Step 5: Solve for x
    x = 216,096,382.13/19,759.30
  6. Step 6: Final answer
    x = 10,936.44

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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.