Home / 13,960.98-20,911.40-6,554.34

Finding the Fourth Proportional to 13,960.98, 20,911.40 and 6,554.34

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Solution

The fourth proportional to 13,960.98, 20,911.40 and 6,554.34 is: 9,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.98 : 20,911.40 = 6,554.34 : x
  2. Step 2: Convert to fraction form
    13,960.98/20,911.40 = 6,554.34/x
  3. Step 3: Cross multiply
    13,960.98x = 20,911.40 × 6,554.34
  4. Step 4: Simplify right side
    13,960.98x = 137,060,409.09
  5. Step 5: Solve for x
    x = 137,060,409.09/13,960.98
  6. Step 6: Final answer
    x = 9,817.39

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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.