Home / 20,003.28-30,003.84-6,152.32

Finding the Fourth Proportional to 20,003.28, 30,003.84 and 6,152.32

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Solution

The fourth proportional to 20,003.28, 30,003.84 and 6,152.32 is: 9,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.28 : 30,003.84 = 6,152.32 : x
  2. Step 2: Convert to fraction form
    20,003.28/30,003.84 = 6,152.32/x
  3. Step 3: Cross multiply
    20,003.28x = 30,003.84 × 6,152.32
  4. Step 4: Simplify right side
    20,003.28x = 184,593,224.91
  5. Step 5: Solve for x
    x = 184,593,224.91/20,003.28
  6. Step 6: Final answer
    x = 9,228.15

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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.