Home / 11,261.49-16,883.12-4,692.60

Finding the Fourth Proportional to 11,261.49, 16,883.12 and 4,692.60

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Solution

The fourth proportional to 11,261.49, 16,883.12 and 4,692.60 is: 7,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.49 : 16,883.12 = 4,692.60 : x
  2. Step 2: Convert to fraction form
    11,261.49/16,883.12 = 4,692.60/x
  3. Step 3: Cross multiply
    11,261.49x = 16,883.12 × 4,692.60
  4. Step 4: Simplify right side
    11,261.49x = 79,225,728.91
  5. Step 5: Solve for x
    x = 79,225,728.91/11,261.49
  6. Step 6: Final answer
    x = 7,035.10

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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.