Home / 9,205.18-13,738.22-8,580.94

Finding the Fourth Proportional to 9,205.18, 13,738.22 and 8,580.94

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Solution

The fourth proportional to 9,205.18, 13,738.22 and 8,580.94 is: 12,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.18 : 13,738.22 = 8,580.94 : x
  2. Step 2: Convert to fraction form
    9,205.18/13,738.22 = 8,580.94/x
  3. Step 3: Cross multiply
    9,205.18x = 13,738.22 × 8,580.94
  4. Step 4: Simplify right side
    9,205.18x = 117,886,841.53
  5. Step 5: Solve for x
    x = 117,886,841.53/9,205.18
  6. Step 6: Final answer
    x = 12,806.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.