Home / 18,316.98-27,473.54-12,431.66

Finding the Fourth Proportional to 18,316.98, 27,473.54 and 12,431.66

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Solution

The fourth proportional to 18,316.98, 27,473.54 and 12,431.66 is: 18,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.98 : 27,473.54 = 12,431.66 : x
  2. Step 2: Convert to fraction form
    18,316.98/27,473.54 = 12,431.66/x
  3. Step 3: Cross multiply
    18,316.98x = 27,473.54 × 12,431.66
  4. Step 4: Simplify right side
    18,316.98x = 341,541,708.28
  5. Step 5: Solve for x
    x = 341,541,708.28/18,316.98
  6. Step 6: Final answer
    x = 18,646.18

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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.