Home / 13,570.37-20,351.23-5,672.87

Finding the Fourth Proportional to 13,570.37, 20,351.23 and 5,672.87

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Solution

The fourth proportional to 13,570.37, 20,351.23 and 5,672.87 is: 8,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.37 : 20,351.23 = 5,672.87 : x
  2. Step 2: Convert to fraction form
    13,570.37/20,351.23 = 5,672.87/x
  3. Step 3: Cross multiply
    13,570.37x = 20,351.23 × 5,672.87
  4. Step 4: Simplify right side
    13,570.37x = 115,449,766.19
  5. Step 5: Solve for x
    x = 115,449,766.19/13,570.37
  6. Step 6: Final answer
    x = 8,507.49

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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.