Home / 13,337.98-20,009.60-11,161.92

Finding the Fourth Proportional to 13,337.98, 20,009.60 and 11,161.92

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Solution

The fourth proportional to 13,337.98, 20,009.60 and 11,161.92 is: 16,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.98 : 20,009.60 = 11,161.92 : x
  2. Step 2: Convert to fraction form
    13,337.98/20,009.60 = 11,161.92/x
  3. Step 3: Cross multiply
    13,337.98x = 20,009.60 × 11,161.92
  4. Step 4: Simplify right side
    13,337.98x = 223,345,554.43
  5. Step 5: Solve for x
    x = 223,345,554.43/13,337.98
  6. Step 6: Final answer
    x = 16,745.08

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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.