Home / 20,008.15-30,015.46-6,157.15

Finding the Fourth Proportional to 20,008.15, 30,015.46 and 6,157.15

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Solution

The fourth proportional to 20,008.15, 30,015.46 and 6,157.15 is: 9,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.15 : 30,015.46 = 6,157.15 : x
  2. Step 2: Convert to fraction form
    20,008.15/30,015.46 = 6,157.15/x
  3. Step 3: Cross multiply
    20,008.15x = 30,015.46 × 6,157.15
  4. Step 4: Simplify right side
    20,008.15x = 184,809,689.54
  5. Step 5: Solve for x
    x = 184,809,689.54/20,008.15
  6. Step 6: Final answer
    x = 9,236.72

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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.