Home / 20,802.87-31,203.09-6,011.46

Finding the Fourth Proportional to 20,802.87, 31,203.09 and 6,011.46

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Solution

The fourth proportional to 20,802.87, 31,203.09 and 6,011.46 is: 9,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802.87 : 31,203.09 = 6,011.46 : x
  2. Step 2: Convert to fraction form
    20,802.87/31,203.09 = 6,011.46/x
  3. Step 3: Cross multiply
    20,802.87x = 31,203.09 × 6,011.46
  4. Step 4: Simplify right side
    20,802.87x = 187,576,127.41
  5. Step 5: Solve for x
    x = 187,576,127.41/20,802.87
  6. Step 6: Final answer
    x = 9,016.84

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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.