Home / 20,583.02-30,871.31-6,541.20

Finding the Fourth Proportional to 20,583.02, 30,871.31 and 6,541.20

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Solution

The fourth proportional to 20,583.02, 30,871.31 and 6,541.20 is: 9,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.02 : 30,871.31 = 6,541.20 : x
  2. Step 2: Convert to fraction form
    20,583.02/30,871.31 = 6,541.20/x
  3. Step 3: Cross multiply
    20,583.02x = 30,871.31 × 6,541.20
  4. Step 4: Simplify right side
    20,583.02x = 201,935,412.97
  5. Step 5: Solve for x
    x = 201,935,412.97/20,583.02
  6. Step 6: Final answer
    x = 9,810.78

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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.