Home / 12,845.32-19,267.67-3,486.11

Finding the Fourth Proportional to 12,845.32, 19,267.67 and 3,486.11

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Solution

The fourth proportional to 12,845.32, 19,267.67 and 3,486.11 is: 5,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.32 : 19,267.67 = 3,486.11 : x
  2. Step 2: Convert to fraction form
    12,845.32/19,267.67 = 3,486.11/x
  3. Step 3: Cross multiply
    12,845.32x = 19,267.67 × 3,486.11
  4. Step 4: Simplify right side
    12,845.32x = 67,169,129.44
  5. Step 5: Solve for x
    x = 67,169,129.44/12,845.32
  6. Step 6: Final answer
    x = 5,229.08

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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.