Home / 20,607.99-30,914.24-6,564.72

Finding the Fourth Proportional to 20,607.99, 30,914.24 and 6,564.72

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Solution

The fourth proportional to 20,607.99, 30,914.24 and 6,564.72 is: 9,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607.99 : 30,914.24 = 6,564.72 : x
  2. Step 2: Convert to fraction form
    20,607.99/30,914.24 = 6,564.72/x
  3. Step 3: Cross multiply
    20,607.99x = 30,914.24 × 6,564.72
  4. Step 4: Simplify right side
    20,607.99x = 202,943,329.61
  5. Step 5: Solve for x
    x = 202,943,329.61/20,607.99
  6. Step 6: Final answer
    x = 9,847.80

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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.