Home / 14,627.32-20,185.62-7,912.92

Finding the Fourth Proportional to 14,627.32, 20,185.62 and 7,912.92

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Solution

The fourth proportional to 14,627.32, 20,185.62 and 7,912.92 is: 10,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.32 : 20,185.62 = 7,912.92 : x
  2. Step 2: Convert to fraction form
    14,627.32/20,185.62 = 7,912.92/x
  3. Step 3: Cross multiply
    14,627.32x = 20,185.62 × 7,912.92
  4. Step 4: Simplify right side
    14,627.32x = 159,727,242.23
  5. Step 5: Solve for x
    x = 159,727,242.23/14,627.32
  6. Step 6: Final answer
    x = 10,919.79

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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.