Home / 12,847.67-19,272.80-3,487.84

Finding the Fourth Proportional to 12,847.67, 19,272.80 and 3,487.84

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Solution

The fourth proportional to 12,847.67, 19,272.80 and 3,487.84 is: 5,232.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.67 : 19,272.80 = 3,487.84 : x
  2. Step 2: Convert to fraction form
    12,847.67/19,272.80 = 3,487.84/x
  3. Step 3: Cross multiply
    12,847.67x = 19,272.80 × 3,487.84
  4. Step 4: Simplify right side
    12,847.67x = 67,220,442.75
  5. Step 5: Solve for x
    x = 67,220,442.75/12,847.67
  6. Step 6: Final answer
    x = 5,232.11

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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.