Home / 20,579.02-30,865.31-6,537.20

Finding the Fourth Proportional to 20,579.02, 30,865.31 and 6,537.20

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Solution

The fourth proportional to 20,579.02, 30,865.31 and 6,537.20 is: 9,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579.02 : 30,865.31 = 6,537.20 : x
  2. Step 2: Convert to fraction form
    20,579.02/30,865.31 = 6,537.20/x
  3. Step 3: Cross multiply
    20,579.02x = 30,865.31 × 6,537.20
  4. Step 4: Simplify right side
    20,579.02x = 201,772,698.55
  5. Step 5: Solve for x
    x = 201,772,698.55/20,579.02
  6. Step 6: Final answer
    x = 9,804.78

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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.