Home / 12,847.17-19,272.05-3,487.34

Finding the Fourth Proportional to 12,847.17, 19,272.05 and 3,487.34

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Solution

The fourth proportional to 12,847.17, 19,272.05 and 3,487.34 is: 5,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.17 : 19,272.05 = 3,487.34 : x
  2. Step 2: Convert to fraction form
    12,847.17/19,272.05 = 3,487.34/x
  3. Step 3: Cross multiply
    12,847.17x = 19,272.05 × 3,487.34
  4. Step 4: Simplify right side
    12,847.17x = 67,208,077.05
  5. Step 5: Solve for x
    x = 67,208,077.05/12,847.17
  6. Step 6: Final answer
    x = 5,231.35

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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.