Home / 19,815.62-29,727.33-7,335.75

Finding the Fourth Proportional to 19,815.62, 29,727.33 and 7,335.75

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Solution

The fourth proportional to 19,815.62, 29,727.33 and 7,335.75 is: 11,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.62 : 29,727.33 = 7,335.75 : x
  2. Step 2: Convert to fraction form
    19,815.62/29,727.33 = 7,335.75/x
  3. Step 3: Cross multiply
    19,815.62x = 29,727.33 × 7,335.75
  4. Step 4: Simplify right side
    19,815.62x = 218,072,224.37
  5. Step 5: Solve for x
    x = 218,072,224.37/19,815.62
  6. Step 6: Final answer
    x = 11,005.07

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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.