Home / 14,114.84-21,159.68-5,355.88

Finding the Fourth Proportional to 14,114.84, 21,159.68 and 5,355.88

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Solution

The fourth proportional to 14,114.84, 21,159.68 and 5,355.88 is: 8,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.84 : 21,159.68 = 5,355.88 : x
  2. Step 2: Convert to fraction form
    14,114.84/21,159.68 = 5,355.88/x
  3. Step 3: Cross multiply
    14,114.84x = 21,159.68 × 5,355.88
  4. Step 4: Simplify right side
    14,114.84x = 113,328,706.92
  5. Step 5: Solve for x
    x = 113,328,706.92/14,114.84
  6. Step 6: Final answer
    x = 8,029.05

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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.