Home / 18,348.15-27,512.91-7,814.10

Finding the Fourth Proportional to 18,348.15, 27,512.91 and 7,814.10

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Solution

The fourth proportional to 18,348.15, 27,512.91 and 7,814.10 is: 11,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.15 : 27,512.91 = 7,814.10 : x
  2. Step 2: Convert to fraction form
    18,348.15/27,512.91 = 7,814.10/x
  3. Step 3: Cross multiply
    18,348.15x = 27,512.91 × 7,814.10
  4. Step 4: Simplify right side
    18,348.15x = 214,988,630.03
  5. Step 5: Solve for x
    x = 214,988,630.03/18,348.15
  6. Step 6: Final answer
    x = 11,717.18

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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.