Home / 19,005.62-28,513.59-8,330.03

Finding the Fourth Proportional to 19,005.62, 28,513.59 and 8,330.03

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Solution

The fourth proportional to 19,005.62, 28,513.59 and 8,330.03 is: 12,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.62 : 28,513.59 = 8,330.03 : x
  2. Step 2: Convert to fraction form
    19,005.62/28,513.59 = 8,330.03/x
  3. Step 3: Cross multiply
    19,005.62x = 28,513.59 × 8,330.03
  4. Step 4: Simplify right side
    19,005.62x = 237,518,917.54
  5. Step 5: Solve for x
    x = 237,518,917.54/19,005.62
  6. Step 6: Final answer
    x = 12,497.30

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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.