Home / 13,941.06-20,909.97-5,620.74

Finding the Fourth Proportional to 13,941.06, 20,909.97 and 5,620.74

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Solution

The fourth proportional to 13,941.06, 20,909.97 and 5,620.74 is: 8,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.06 : 20,909.97 = 5,620.74 : x
  2. Step 2: Convert to fraction form
    13,941.06/20,909.97 = 5,620.74/x
  3. Step 3: Cross multiply
    13,941.06x = 20,909.97 × 5,620.74
  4. Step 4: Simplify right side
    13,941.06x = 117,529,504.78
  5. Step 5: Solve for x
    x = 117,529,504.78/13,941.06
  6. Step 6: Final answer
    x = 8,430.46

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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.