Home / 13,353.63-20,034.09-3,994.08

Finding the Fourth Proportional to 13,353.63, 20,034.09 and 3,994.08

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Solution

The fourth proportional to 13,353.63, 20,034.09 and 3,994.08 is: 5,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.63 : 20,034.09 = 3,994.08 : x
  2. Step 2: Convert to fraction form
    13,353.63/20,034.09 = 3,994.08/x
  3. Step 3: Cross multiply
    13,353.63x = 20,034.09 × 3,994.08
  4. Step 4: Simplify right side
    13,353.63x = 80,017,758.19
  5. Step 5: Solve for x
    x = 80,017,758.19/13,353.63
  6. Step 6: Final answer
    x = 5,992.21

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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.