Home / 12,148.56-16,764.75-6,843.29

Finding the Fourth Proportional to 12,148.56, 16,764.75 and 6,843.29

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Solution

The fourth proportional to 12,148.56, 16,764.75 and 6,843.29 is: 9,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.56 : 16,764.75 = 6,843.29 : x
  2. Step 2: Convert to fraction form
    12,148.56/16,764.75 = 6,843.29/x
  3. Step 3: Cross multiply
    12,148.56x = 16,764.75 × 6,843.29
  4. Step 4: Simplify right side
    12,148.56x = 114,725,962.20
  5. Step 5: Solve for x
    x = 114,725,962.20/12,148.56
  6. Step 6: Final answer
    x = 9,443.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.