Home / 20,844.36-31,271.22-6,993

Finding the Fourth Proportional to 20,844.36, 31,271.22 and 6,993

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Solution

The fourth proportional to 20,844.36, 31,271.22 and 6,993 is: 10,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844.36 : 31,271.22 = 6,993 : x
  2. Step 2: Convert to fraction form
    20,844.36/31,271.22 = 6,993/x
  3. Step 3: Cross multiply
    20,844.36x = 31,271.22 × 6,993
  4. Step 4: Simplify right side
    20,844.36x = 218,679,641.46
  5. Step 5: Solve for x
    x = 218,679,641.46/20,844.36
  6. Step 6: Final answer
    x = 10,491.07

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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.