Home / 12,847.32-19,272.24-3,487.86

Finding the Fourth Proportional to 12,847.32, 19,272.24 and 3,487.86

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Solution

The fourth proportional to 12,847.32, 19,272.24 and 3,487.86 is: 5,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.32 : 19,272.24 = 3,487.86 : x
  2. Step 2: Convert to fraction form
    12,847.32/19,272.24 = 3,487.86/x
  3. Step 3: Cross multiply
    12,847.32x = 19,272.24 × 3,487.86
  4. Step 4: Simplify right side
    12,847.32x = 67,218,875.01
  5. Step 5: Solve for x
    x = 67,218,875.01/12,847.32
  6. Step 6: Final answer
    x = 5,232.13

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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.