Home / 12,714.26-19,071.52-3,480.26

Finding the Fourth Proportional to 12,714.26, 19,071.52 and 3,480.26

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Solution

The fourth proportional to 12,714.26, 19,071.52 and 3,480.26 is: 5,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.26 : 19,071.52 = 3,480.26 : x
  2. Step 2: Convert to fraction form
    12,714.26/19,071.52 = 3,480.26/x
  3. Step 3: Cross multiply
    12,714.26x = 19,071.52 × 3,480.26
  4. Step 4: Simplify right side
    12,714.26x = 66,373,848.20
  5. Step 5: Solve for x
    x = 66,373,848.20/12,714.26
  6. Step 6: Final answer
    x = 5,220.43

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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.