Home / 13,571.48-20,333.06-8,303.92

Finding the Fourth Proportional to 13,571.48, 20,333.06 and 8,303.92

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Solution

The fourth proportional to 13,571.48, 20,333.06 and 8,303.92 is: 12,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.48 : 20,333.06 = 8,303.92 : x
  2. Step 2: Convert to fraction form
    13,571.48/20,333.06 = 8,303.92/x
  3. Step 3: Cross multiply
    13,571.48x = 20,333.06 × 8,303.92
  4. Step 4: Simplify right side
    13,571.48x = 168,843,960.41
  5. Step 5: Solve for x
    x = 168,843,960.41/13,571.48
  6. Step 6: Final answer
    x = 12,441.09

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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.