Home / 21,999.23-30,358.62-11,927.48

Finding the Fourth Proportional to 21,999.23, 30,358.62 and 11,927.48

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Solution

The fourth proportional to 21,999.23, 30,358.62 and 11,927.48 is: 16,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999.23 : 30,358.62 = 11,927.48 : x
  2. Step 2: Convert to fraction form
    21,999.23/30,358.62 = 11,927.48/x
  3. Step 3: Cross multiply
    21,999.23x = 30,358.62 × 11,927.48
  4. Step 4: Simplify right side
    21,999.23x = 362,101,832.88
  5. Step 5: Solve for x
    x = 362,101,832.88/21,999.23
  6. Step 6: Final answer
    x = 16,459.75

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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.