Home / 13,976.84-20,955.98-5,537.76

Finding the Fourth Proportional to 13,976.84, 20,955.98 and 5,537.76

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Solution

The fourth proportional to 13,976.84, 20,955.98 and 5,537.76 is: 8,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.84 : 20,955.98 = 5,537.76 : x
  2. Step 2: Convert to fraction form
    13,976.84/20,955.98 = 5,537.76/x
  3. Step 3: Cross multiply
    13,976.84x = 20,955.98 × 5,537.76
  4. Step 4: Simplify right side
    13,976.84x = 116,049,187.80
  5. Step 5: Solve for x
    x = 116,049,187.80/13,976.84
  6. Step 6: Final answer
    x = 8,302.96

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1.5x scale

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.