Home / 18,434.23-27,634.74-12,513.13

Finding the Fourth Proportional to 18,434.23, 27,634.74 and 12,513.13

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Solution

The fourth proportional to 18,434.23, 27,634.74 and 12,513.13 is: 18,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.23 : 27,634.74 = 12,513.13 : x
  2. Step 2: Convert to fraction form
    18,434.23/27,634.74 = 12,513.13/x
  3. Step 3: Cross multiply
    18,434.23x = 27,634.74 × 12,513.13
  4. Step 4: Simplify right side
    18,434.23x = 345,797,094.14
  5. Step 5: Solve for x
    x = 345,797,094.14/18,434.23
  6. Step 6: Final answer
    x = 18,758.42

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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.