Home / 13,554.80-20,292.60-9,666.80

Finding the Fourth Proportional to 13,554.80, 20,292.60 and 9,666.80

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Solution

The fourth proportional to 13,554.80, 20,292.60 and 9,666.80 is: 14,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.80 : 20,292.60 = 9,666.80 : x
  2. Step 2: Convert to fraction form
    13,554.80/20,292.60 = 9,666.80/x
  3. Step 3: Cross multiply
    13,554.80x = 20,292.60 × 9,666.80
  4. Step 4: Simplify right side
    13,554.80x = 196,164,505.68
  5. Step 5: Solve for x
    x = 196,164,505.68/13,554.80
  6. Step 6: Final answer
    x = 14,471.96

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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.