Home / 15,627.82-21,566.94-8,554.90

Finding the Fourth Proportional to 15,627.82, 21,566.94 and 8,554.90

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Solution

The fourth proportional to 15,627.82, 21,566.94 and 8,554.90 is: 11,806.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.82 : 21,566.94 = 8,554.90 : x
  2. Step 2: Convert to fraction form
    15,627.82/21,566.94 = 8,554.90/x
  3. Step 3: Cross multiply
    15,627.82x = 21,566.94 × 8,554.90
  4. Step 4: Simplify right side
    15,627.82x = 184,503,015.01
  5. Step 5: Solve for x
    x = 184,503,015.01/15,627.82
  6. Step 6: Final answer
    x = 11,806.06

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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.