Home / 19,278.64-28,917.96-6,131.01

Finding the Fourth Proportional to 19,278.64, 28,917.96 and 6,131.01

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Solution

The fourth proportional to 19,278.64, 28,917.96 and 6,131.01 is: 9,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.64 : 28,917.96 = 6,131.01 : x
  2. Step 2: Convert to fraction form
    19,278.64/28,917.96 = 6,131.01/x
  3. Step 3: Cross multiply
    19,278.64x = 28,917.96 × 6,131.01
  4. Step 4: Simplify right side
    19,278.64x = 177,296,301.94
  5. Step 5: Solve for x
    x = 177,296,301.94/19,278.64
  6. Step 6: Final answer
    x = 9,196.52

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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.