Home / 11,145.88-16,719.32-4,567.44

Finding the Fourth Proportional to 11,145.88, 16,719.32 and 4,567.44

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Solution

The fourth proportional to 11,145.88, 16,719.32 and 4,567.44 is: 6,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.88 : 16,719.32 = 4,567.44 : x
  2. Step 2: Convert to fraction form
    11,145.88/16,719.32 = 4,567.44/x
  3. Step 3: Cross multiply
    11,145.88x = 16,719.32 × 4,567.44
  4. Step 4: Simplify right side
    11,145.88x = 76,364,490.94
  5. Step 5: Solve for x
    x = 76,364,490.94/11,145.88
  6. Step 6: Final answer
    x = 6,851.36

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1.5x scale

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.