Home / 14,841.32-20,480.18-8,125.64

Finding the Fourth Proportional to 14,841.32, 20,480.18 and 8,125.64

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Solution

The fourth proportional to 14,841.32, 20,480.18 and 8,125.64 is: 11,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841.32 : 20,480.18 = 8,125.64 : x
  2. Step 2: Convert to fraction form
    14,841.32/20,480.18 = 8,125.64/x
  3. Step 3: Cross multiply
    14,841.32x = 20,480.18 × 8,125.64
  4. Step 4: Simplify right side
    14,841.32x = 166,414,426.79
  5. Step 5: Solve for x
    x = 166,414,426.79/14,841.32
  6. Step 6: Final answer
    x = 11,212.92

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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.