Home / 12,818.32-19,234.32-5,027.20

Finding the Fourth Proportional to 12,818.32, 19,234.32 and 5,027.20

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Solution

The fourth proportional to 12,818.32, 19,234.32 and 5,027.20 is: 7,543.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.32 : 19,234.32 = 5,027.20 : x
  2. Step 2: Convert to fraction form
    12,818.32/19,234.32 = 5,027.20/x
  3. Step 3: Cross multiply
    12,818.32x = 19,234.32 × 5,027.20
  4. Step 4: Simplify right side
    12,818.32x = 96,694,773.50
  5. Step 5: Solve for x
    x = 96,694,773.50/12,818.32
  6. Step 6: Final answer
    x = 7,543.48

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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.