Home / 18,223.60-27,315.88-7,699.44

Finding the Fourth Proportional to 18,223.60, 27,315.88 and 7,699.44

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Solution

The fourth proportional to 18,223.60, 27,315.88 and 7,699.44 is: 11,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.60 : 27,315.88 = 7,699.44 : x
  2. Step 2: Convert to fraction form
    18,223.60/27,315.88 = 7,699.44/x
  3. Step 3: Cross multiply
    18,223.60x = 27,315.88 × 7,699.44
  4. Step 4: Simplify right side
    18,223.60x = 210,316,979.11
  5. Step 5: Solve for x
    x = 210,316,979.11/18,223.60
  6. Step 6: Final answer
    x = 11,540.91

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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.