Home / 12,847.21-19,261.19-5,446.91

Finding the Fourth Proportional to 12,847.21, 19,261.19 and 5,446.91

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Solution

The fourth proportional to 12,847.21, 19,261.19 and 5,446.91 is: 8,166.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.21 : 19,261.19 = 5,446.91 : x
  2. Step 2: Convert to fraction form
    12,847.21/19,261.19 = 5,446.91/x
  3. Step 3: Cross multiply
    12,847.21x = 19,261.19 × 5,446.91
  4. Step 4: Simplify right side
    12,847.21x = 104,914,030.19
  5. Step 5: Solve for x
    x = 104,914,030.19/12,847.21
  6. Step 6: Final answer
    x = 8,166.29

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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.