Home / 14,832.11-20,468.32-8,117.74

Finding the Fourth Proportional to 14,832.11, 20,468.32 and 8,117.74

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Solution

The fourth proportional to 14,832.11, 20,468.32 and 8,117.74 is: 11,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,832.11 : 20,468.32 = 8,117.74 : x
  2. Step 2: Convert to fraction form
    14,832.11/20,468.32 = 8,117.74/x
  3. Step 3: Cross multiply
    14,832.11x = 20,468.32 × 8,117.74
  4. Step 4: Simplify right side
    14,832.11x = 166,156,435.82
  5. Step 5: Solve for x
    x = 166,156,435.82/14,832.11
  6. Step 6: Final answer
    x = 11,202.48

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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.