Home / 19,893.06-27,445.37-12,331.58

Finding the Fourth Proportional to 19,893.06, 27,445.37 and 12,331.58

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Solution

The fourth proportional to 19,893.06, 27,445.37 and 12,331.58 is: 17,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.06 : 27,445.37 = 12,331.58 : x
  2. Step 2: Convert to fraction form
    19,893.06/27,445.37 = 12,331.58/x
  3. Step 3: Cross multiply
    19,893.06x = 27,445.37 × 12,331.58
  4. Step 4: Simplify right side
    19,893.06x = 338,444,576.90
  5. Step 5: Solve for x
    x = 338,444,576.90/19,893.06
  6. Step 6: Final answer
    x = 17,013.20

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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.