Home / 13,756.20-20,637.80-6,365.97

Finding the Fourth Proportional to 13,756.20, 20,637.80 and 6,365.97

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Solution

The fourth proportional to 13,756.20, 20,637.80 and 6,365.97 is: 9,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.20 : 20,637.80 = 6,365.97 : x
  2. Step 2: Convert to fraction form
    13,756.20/20,637.80 = 6,365.97/x
  3. Step 3: Cross multiply
    13,756.20x = 20,637.80 × 6,365.97
  4. Step 4: Simplify right side
    13,756.20x = 131,379,615.67
  5. Step 5: Solve for x
    x = 131,379,615.67/13,756.20
  6. Step 6: Final answer
    x = 9,550.57

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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.