Home / 19,108.62-28,667.13-8,009.60

Finding the Fourth Proportional to 19,108.62, 28,667.13 and 8,009.60

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Solution

The fourth proportional to 19,108.62, 28,667.13 and 8,009.60 is: 12,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.62 : 28,667.13 = 8,009.60 : x
  2. Step 2: Convert to fraction form
    19,108.62/28,667.13 = 8,009.60/x
  3. Step 3: Cross multiply
    19,108.62x = 28,667.13 × 8,009.60
  4. Step 4: Simplify right side
    19,108.62x = 229,612,101.11
  5. Step 5: Solve for x
    x = 229,612,101.11/19,108.62
  6. Step 6: Final answer
    x = 12,016.15

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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.