Home / 12,832.20-19,263.90-8,152.20

Finding the Fourth Proportional to 12,832.20, 19,263.90 and 8,152.20

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Solution

The fourth proportional to 12,832.20, 19,263.90 and 8,152.20 is: 12,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.20 : 19,263.90 = 8,152.20 : x
  2. Step 2: Convert to fraction form
    12,832.20/19,263.90 = 8,152.20/x
  3. Step 3: Cross multiply
    12,832.20x = 19,263.90 × 8,152.20
  4. Step 4: Simplify right side
    12,832.20x = 157,043,165.58
  5. Step 5: Solve for x
    x = 157,043,165.58/12,832.20
  6. Step 6: Final answer
    x = 12,238.21

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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.