Home / 13,381.06-20,072.63-4,020.35

Finding the Fourth Proportional to 13,381.06, 20,072.63 and 4,020.35

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Solution

The fourth proportional to 13,381.06, 20,072.63 and 4,020.35 is: 6,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.06 : 20,072.63 = 4,020.35 : x
  2. Step 2: Convert to fraction form
    13,381.06/20,072.63 = 4,020.35/x
  3. Step 3: Cross multiply
    13,381.06x = 20,072.63 × 4,020.35
  4. Step 4: Simplify right side
    13,381.06x = 80,698,877.56
  5. Step 5: Solve for x
    x = 80,698,877.56/13,381.06
  6. Step 6: Final answer
    x = 6,030.83

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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.