Home / 14,137.64-19,508.50-8,171.24

Finding the Fourth Proportional to 14,137.64, 19,508.50 and 8,171.24

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Solution

The fourth proportional to 14,137.64, 19,508.50 and 8,171.24 is: 11,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.64 : 19,508.50 = 8,171.24 : x
  2. Step 2: Convert to fraction form
    14,137.64/19,508.50 = 8,171.24/x
  3. Step 3: Cross multiply
    14,137.64x = 19,508.50 × 8,171.24
  4. Step 4: Simplify right side
    14,137.64x = 159,408,635.54
  5. Step 5: Solve for x
    x = 159,408,635.54/14,137.64
  6. Step 6: Final answer
    x = 11,275.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.