Home / 13,709.93-20,571.44-6,313.55

Finding the Fourth Proportional to 13,709.93, 20,571.44 and 6,313.55

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Solution

The fourth proportional to 13,709.93, 20,571.44 and 6,313.55 is: 9,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.93 : 20,571.44 = 6,313.55 : x
  2. Step 2: Convert to fraction form
    13,709.93/20,571.44 = 6,313.55/x
  3. Step 3: Cross multiply
    13,709.93x = 20,571.44 × 6,313.55
  4. Step 4: Simplify right side
    13,709.93x = 129,878,680.59
  5. Step 5: Solve for x
    x = 129,878,680.59/13,709.93
  6. Step 6: Final answer
    x = 9,473.33

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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.