Home / 21,009.40-31,519.13-6,016.73

Finding the Fourth Proportional to 21,009.40, 31,519.13 and 6,016.73

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Solution

The fourth proportional to 21,009.40, 31,519.13 and 6,016.73 is: 9,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,009.40 : 31,519.13 = 6,016.73 : x
  2. Step 2: Convert to fraction form
    21,009.40/31,519.13 = 6,016.73/x
  3. Step 3: Cross multiply
    21,009.40x = 31,519.13 × 6,016.73
  4. Step 4: Simplify right side
    21,009.40x = 189,641,907.37
  5. Step 5: Solve for x
    x = 189,641,907.37/21,009.40
  6. Step 6: Final answer
    x = 9,026.53

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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.