Home / 9,099.48-13,660.74-5,580.84

Finding the Fourth Proportional to 9,099.48, 13,660.74 and 5,580.84

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Solution

The fourth proportional to 9,099.48, 13,660.74 and 5,580.84 is: 8,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.48 : 13,660.74 = 5,580.84 : x
  2. Step 2: Convert to fraction form
    9,099.48/13,660.74 = 5,580.84/x
  3. Step 3: Cross multiply
    9,099.48x = 13,660.74 × 5,580.84
  4. Step 4: Simplify right side
    9,099.48x = 76,238,404.22
  5. Step 5: Solve for x
    x = 76,238,404.22/9,099.48
  6. Step 6: Final answer
    x = 8,378.33

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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.