Home / 20,504.01-30,757.28-6,464.51

Finding the Fourth Proportional to 20,504.01, 30,757.28 and 6,464.51

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Solution

The fourth proportional to 20,504.01, 30,757.28 and 6,464.51 is: 9,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.01 : 30,757.28 = 6,464.51 : x
  2. Step 2: Convert to fraction form
    20,504.01/30,757.28 = 6,464.51/x
  3. Step 3: Cross multiply
    20,504.01x = 30,757.28 × 6,464.51
  4. Step 4: Simplify right side
    20,504.01x = 198,830,788.70
  5. Step 5: Solve for x
    x = 198,830,788.70/20,504.01
  6. Step 6: Final answer
    x = 9,697.17

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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.