Home / 18,098.22-27,147.42-11,897.40

Finding the Fourth Proportional to 18,098.22, 27,147.42 and 11,897.40

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Solution

The fourth proportional to 18,098.22, 27,147.42 and 11,897.40 is: 17,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.22 : 27,147.42 = 11,897.40 : x
  2. Step 2: Convert to fraction form
    18,098.22/27,147.42 = 11,897.40/x
  3. Step 3: Cross multiply
    18,098.22x = 27,147.42 × 11,897.40
  4. Step 4: Simplify right side
    18,098.22x = 322,983,714.71
  5. Step 5: Solve for x
    x = 322,983,714.71/18,098.22
  6. Step 6: Final answer
    x = 17,846.16

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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.