Home / 18,080.90-27,117.30-11,884.40

Finding the Fourth Proportional to 18,080.90, 27,117.30 and 11,884.40

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Solution

The fourth proportional to 18,080.90, 27,117.30 and 11,884.40 is: 17,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.90 : 27,117.30 = 11,884.40 : x
  2. Step 2: Convert to fraction form
    18,080.90/27,117.30 = 11,884.40/x
  3. Step 3: Cross multiply
    18,080.90x = 27,117.30 × 11,884.40
  4. Step 4: Simplify right side
    18,080.90x = 322,272,840.12
  5. Step 5: Solve for x
    x = 322,272,840.12/18,080.90
  6. Step 6: Final answer
    x = 17,823.94

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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.