Home / 20,807.40-31,215.24-6,016.44

Finding the Fourth Proportional to 20,807.40, 31,215.24 and 6,016.44

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Solution

The fourth proportional to 20,807.40, 31,215.24 and 6,016.44 is: 9,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,807.40 : 31,215.24 = 6,016.44 : x
  2. Step 2: Convert to fraction form
    20,807.40/31,215.24 = 6,016.44/x
  3. Step 3: Cross multiply
    20,807.40x = 31,215.24 × 6,016.44
  4. Step 4: Simplify right side
    20,807.40x = 187,804,618.55
  5. Step 5: Solve for x
    x = 187,804,618.55/20,807.40
  6. Step 6: Final answer
    x = 9,025.86

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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.