Home / 11,005.90-16,470.45-10,084.30

Finding the Fourth Proportional to 11,005.90, 16,470.45 and 10,084.30

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Solution

The fourth proportional to 11,005.90, 16,470.45 and 10,084.30 is: 15,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.90 : 16,470.45 = 10,084.30 : x
  2. Step 2: Convert to fraction form
    11,005.90/16,470.45 = 10,084.30/x
  3. Step 3: Cross multiply
    11,005.90x = 16,470.45 × 10,084.30
  4. Step 4: Simplify right side
    11,005.90x = 166,092,958.94
  5. Step 5: Solve for x
    x = 166,092,958.94/11,005.90
  6. Step 6: Final answer
    x = 15,091.27

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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.