Home / 21,468.84-29,630.70-12,035.64

Finding the Fourth Proportional to 21,468.84, 29,630.70 and 12,035.64

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Solution

The fourth proportional to 21,468.84, 29,630.70 and 12,035.64 is: 16,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,468.84 : 29,630.70 = 12,035.64 : x
  2. Step 2: Convert to fraction form
    21,468.84/29,630.70 = 12,035.64/x
  3. Step 3: Cross multiply
    21,468.84x = 29,630.70 × 12,035.64
  4. Step 4: Simplify right side
    21,468.84x = 356,624,438.15
  5. Step 5: Solve for x
    x = 356,624,438.15/21,468.84
  6. Step 6: Final answer
    x = 16,611.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.