Home / 20,108.04-27,744.63-11,608.32

Finding the Fourth Proportional to 20,108.04, 27,744.63 and 11,608.32

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Solution

The fourth proportional to 20,108.04, 27,744.63 and 11,608.32 is: 16,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108.04 : 27,744.63 = 11,608.32 : x
  2. Step 2: Convert to fraction form
    20,108.04/27,744.63 = 11,608.32/x
  3. Step 3: Cross multiply
    20,108.04x = 27,744.63 × 11,608.32
  4. Step 4: Simplify right side
    20,108.04x = 322,068,439.28
  5. Step 5: Solve for x
    x = 322,068,439.28/20,108.04
  6. Step 6: Final answer
    x = 16,016.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.