Home / 11,916.88-17,873.80-3,152.48

Finding the Fourth Proportional to 11,916.88, 17,873.80 and 3,152.48

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Solution

The fourth proportional to 11,916.88, 17,873.80 and 3,152.48 is: 4,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.88 : 17,873.80 = 3,152.48 : x
  2. Step 2: Convert to fraction form
    11,916.88/17,873.80 = 3,152.48/x
  3. Step 3: Cross multiply
    11,916.88x = 17,873.80 × 3,152.48
  4. Step 4: Simplify right side
    11,916.88x = 56,346,797.02
  5. Step 5: Solve for x
    x = 56,346,797.02/11,916.88
  6. Step 6: Final answer
    x = 4,728.32

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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.