Home / 20,804.31-31,205.25-6,012.90

Finding the Fourth Proportional to 20,804.31, 31,205.25 and 6,012.90

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Solution

The fourth proportional to 20,804.31, 31,205.25 and 6,012.90 is: 9,019.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804.31 : 31,205.25 = 6,012.90 : x
  2. Step 2: Convert to fraction form
    20,804.31/31,205.25 = 6,012.90/x
  3. Step 3: Cross multiply
    20,804.31x = 31,205.25 × 6,012.90
  4. Step 4: Simplify right side
    20,804.31x = 187,634,017.66
  5. Step 5: Solve for x
    x = 187,634,017.66/20,804.31
  6. Step 6: Final answer
    x = 9,019.00

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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.