Home / 9,099.84-13,631.40-6,281.76

Finding the Fourth Proportional to 9,099.84, 13,631.40 and 6,281.76

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Solution

The fourth proportional to 9,099.84, 13,631.40 and 6,281.76 is: 9,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.84 : 13,631.40 = 6,281.76 : x
  2. Step 2: Convert to fraction form
    9,099.84/13,631.40 = 6,281.76/x
  3. Step 3: Cross multiply
    9,099.84x = 13,631.40 × 6,281.76
  4. Step 4: Simplify right side
    9,099.84x = 85,629,183.26
  5. Step 5: Solve for x
    x = 85,629,183.26/9,099.84
  6. Step 6: Final answer
    x = 9,409.97

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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.