Home / 11,319.84-16,971.36-3,524.40

Finding the Fourth Proportional to 11,319.84, 16,971.36 and 3,524.40

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Solution

The fourth proportional to 11,319.84, 16,971.36 and 3,524.40 is: 5,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.84 : 16,971.36 = 3,524.40 : x
  2. Step 2: Convert to fraction form
    11,319.84/16,971.36 = 3,524.40/x
  3. Step 3: Cross multiply
    11,319.84x = 16,971.36 × 3,524.40
  4. Step 4: Simplify right side
    11,319.84x = 59,813,861.18
  5. Step 5: Solve for x
    x = 59,813,861.18/11,319.84
  6. Step 6: Final answer
    x = 5,283.98

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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.