Home / 11,719.02-17,578.32-2,953.92

Finding the Fourth Proportional to 11,719.02, 17,578.32 and 2,953.92

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Solution

The fourth proportional to 11,719.02, 17,578.32 and 2,953.92 is: 4,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.02 : 17,578.32 = 2,953.92 : x
  2. Step 2: Convert to fraction form
    11,719.02/17,578.32 = 2,953.92/x
  3. Step 3: Cross multiply
    11,719.02x = 17,578.32 × 2,953.92
  4. Step 4: Simplify right side
    11,719.02x = 51,924,951.01
  5. Step 5: Solve for x
    x = 51,924,951.01/11,719.02
  6. Step 6: Final answer
    x = 4,430.83

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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.