Home / 13,571.73-20,357.64-4,806.90

Finding the Fourth Proportional to 13,571.73, 20,357.64 and 4,806.90

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Solution

The fourth proportional to 13,571.73, 20,357.64 and 4,806.90 is: 7,210.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.73 : 20,357.64 = 4,806.90 : x
  2. Step 2: Convert to fraction form
    13,571.73/20,357.64 = 4,806.90/x
  3. Step 3: Cross multiply
    13,571.73x = 20,357.64 × 4,806.90
  4. Step 4: Simplify right side
    13,571.73x = 97,857,139.72
  5. Step 5: Solve for x
    x = 97,857,139.72/13,571.73
  6. Step 6: Final answer
    x = 7,210.37

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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.