Home / 11,138.33-16,705.40-5,590.17

Finding the Fourth Proportional to 11,138.33, 16,705.40 and 5,590.17

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Solution

The fourth proportional to 11,138.33, 16,705.40 and 5,590.17 is: 8,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.33 : 16,705.40 = 5,590.17 : x
  2. Step 2: Convert to fraction form
    11,138.33/16,705.40 = 5,590.17/x
  3. Step 3: Cross multiply
    11,138.33x = 16,705.40 × 5,590.17
  4. Step 4: Simplify right side
    11,138.33x = 93,385,997.97
  5. Step 5: Solve for x
    x = 93,385,997.97/11,138.33
  6. Step 6: Final answer
    x = 8,384.20

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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.