Home / 14,178.94-21,267.69-4,318

Finding the Fourth Proportional to 14,178.94, 21,267.69 and 4,318

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Solution

The fourth proportional to 14,178.94, 21,267.69 and 4,318 is: 6,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.94 : 21,267.69 = 4,318 : x
  2. Step 2: Convert to fraction form
    14,178.94/21,267.69 = 4,318/x
  3. Step 3: Cross multiply
    14,178.94x = 21,267.69 × 4,318
  4. Step 4: Simplify right side
    14,178.94x = 91,833,885.42
  5. Step 5: Solve for x
    x = 91,833,885.42/14,178.94
  6. Step 6: Final answer
    x = 6,476.78

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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.