Home / 13,604.18-20,389.35-6,206.66

Finding the Fourth Proportional to 13,604.18, 20,389.35 and 6,206.66

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Solution

The fourth proportional to 13,604.18, 20,389.35 and 6,206.66 is: 9,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.18 : 20,389.35 = 6,206.66 : x
  2. Step 2: Convert to fraction form
    13,604.18/20,389.35 = 6,206.66/x
  3. Step 3: Cross multiply
    13,604.18x = 20,389.35 × 6,206.66
  4. Step 4: Simplify right side
    13,604.18x = 126,549,763.07
  5. Step 5: Solve for x
    x = 126,549,763.07/13,604.18
  6. Step 6: Final answer
    x = 9,302.27

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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.