Home / 13,677.07-18,874.44-7,627.70

Finding the Fourth Proportional to 13,677.07, 18,874.44 and 7,627.70

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Solution

The fourth proportional to 13,677.07, 18,874.44 and 7,627.70 is: 10,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.07 : 18,874.44 = 7,627.70 : x
  2. Step 2: Convert to fraction form
    13,677.07/18,874.44 = 7,627.70/x
  3. Step 3: Cross multiply
    13,677.07x = 18,874.44 × 7,627.70
  4. Step 4: Simplify right side
    13,677.07x = 143,968,471.62
  5. Step 5: Solve for x
    x = 143,968,471.62/13,677.07
  6. Step 6: Final answer
    x = 10,526.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.