Home / 21,009.66-31,519.50-6,016.98

Finding the Fourth Proportional to 21,009.66, 31,519.50 and 6,016.98

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Solution

The fourth proportional to 21,009.66, 31,519.50 and 6,016.98 is: 9,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,009.66 : 31,519.50 = 6,016.98 : x
  2. Step 2: Convert to fraction form
    21,009.66/31,519.50 = 6,016.98/x
  3. Step 3: Cross multiply
    21,009.66x = 31,519.50 × 6,016.98
  4. Step 4: Simplify right side
    21,009.66x = 189,652,201.11
  5. Step 5: Solve for x
    x = 189,652,201.11/21,009.66
  6. Step 6: Final answer
    x = 9,026.90

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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.