Home / 9,123.21-13,684.82-3,276.63

Finding the Fourth Proportional to 9,123.21, 13,684.82 and 3,276.63

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Solution

The fourth proportional to 9,123.21, 13,684.82 and 3,276.63 is: 4,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.21 : 13,684.82 = 3,276.63 : x
  2. Step 2: Convert to fraction form
    9,123.21/13,684.82 = 3,276.63/x
  3. Step 3: Cross multiply
    9,123.21x = 13,684.82 × 3,276.63
  4. Step 4: Simplify right side
    9,123.21x = 44,840,075.37
  5. Step 5: Solve for x
    x = 44,840,075.37/9,123.21
  6. Step 6: Final answer
    x = 4,914.95

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Double scale
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Similar ratio
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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.