Home / 20,407.73-30,611.79-6,176.32

Finding the Fourth Proportional to 20,407.73, 30,611.79 and 6,176.32

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Solution

The fourth proportional to 20,407.73, 30,611.79 and 6,176.32 is: 9,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,407.73 : 30,611.79 = 6,176.32 : x
  2. Step 2: Convert to fraction form
    20,407.73/30,611.79 = 6,176.32/x
  3. Step 3: Cross multiply
    20,407.73x = 30,611.79 × 6,176.32
  4. Step 4: Simplify right side
    20,407.73x = 189,068,134.28
  5. Step 5: Solve for x
    x = 189,068,134.28/20,407.73
  6. Step 6: Final answer
    x = 9,264.54

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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.