Home / 14,199.84-21,376.44-12,771

Finding the Fourth Proportional to 14,199.84, 21,376.44 and 12,771

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Solution

The fourth proportional to 14,199.84, 21,376.44 and 12,771 is: 19,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.84 : 21,376.44 = 12,771 : x
  2. Step 2: Convert to fraction form
    14,199.84/21,376.44 = 12,771/x
  3. Step 3: Cross multiply
    14,199.84x = 21,376.44 × 12,771
  4. Step 4: Simplify right side
    14,199.84x = 272,998,515.24
  5. Step 5: Solve for x
    x = 272,998,515.24/14,199.84
  6. Step 6: Final answer
    x = 19,225.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.