Home / 18,342.42-27,461.48-12,083.55

Finding the Fourth Proportional to 18,342.42, 27,461.48 and 12,083.55

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Solution

The fourth proportional to 18,342.42, 27,461.48 and 12,083.55 is: 18,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.42 : 27,461.48 = 12,083.55 : x
  2. Step 2: Convert to fraction form
    18,342.42/27,461.48 = 12,083.55/x
  3. Step 3: Cross multiply
    18,342.42x = 27,461.48 × 12,083.55
  4. Step 4: Simplify right side
    18,342.42x = 331,832,106.24
  5. Step 5: Solve for x
    x = 331,832,106.24/18,342.42
  6. Step 6: Final answer
    x = 18,090.97

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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.