Home / 20,232.16-30,336.64-6,188.28

Finding the Fourth Proportional to 20,232.16, 30,336.64 and 6,188.28

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Solution

The fourth proportional to 20,232.16, 30,336.64 and 6,188.28 is: 9,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.16 : 30,336.64 = 6,188.28 : x
  2. Step 2: Convert to fraction form
    20,232.16/30,336.64 = 6,188.28/x
  3. Step 3: Cross multiply
    20,232.16x = 30,336.64 × 6,188.28
  4. Step 4: Simplify right side
    20,232.16x = 187,731,622.58
  5. Step 5: Solve for x
    x = 187,731,622.58/20,232.16
  6. Step 6: Final answer
    x = 9,278.87

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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.