Home / 14,115.62-21,179.01-5,352.86

Finding the Fourth Proportional to 14,115.62, 21,179.01 and 5,352.86

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Solution

The fourth proportional to 14,115.62, 21,179.01 and 5,352.86 is: 8,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.62 : 21,179.01 = 5,352.86 : x
  2. Step 2: Convert to fraction form
    14,115.62/21,179.01 = 5,352.86/x
  3. Step 3: Cross multiply
    14,115.62x = 21,179.01 × 5,352.86
  4. Step 4: Simplify right side
    14,115.62x = 113,368,275.47
  5. Step 5: Solve for x
    x = 113,368,275.47/14,115.62
  6. Step 6: Final answer
    x = 8,031.41

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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.