Home / 9,101.21-13,634.30-5,580.94

Finding the Fourth Proportional to 9,101.21, 13,634.30 and 5,580.94

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Solution

The fourth proportional to 9,101.21, 13,634.30 and 5,580.94 is: 8,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.21 : 13,634.30 = 5,580.94 : x
  2. Step 2: Convert to fraction form
    9,101.21/13,634.30 = 5,580.94/x
  3. Step 3: Cross multiply
    9,101.21x = 13,634.30 × 5,580.94
  4. Step 4: Simplify right side
    9,101.21x = 76,092,142.07
  5. Step 5: Solve for x
    x = 76,092,142.07/9,101.21
  6. Step 6: Final answer
    x = 8,360.67

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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.