Home / 13,900.37-20,854.46-5,586.23

Finding the Fourth Proportional to 13,900.37, 20,854.46 and 5,586.23

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Solution

The fourth proportional to 13,900.37, 20,854.46 and 5,586.23 is: 8,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.37 : 20,854.46 = 5,586.23 : x
  2. Step 2: Convert to fraction form
    13,900.37/20,854.46 = 5,586.23/x
  3. Step 3: Cross multiply
    13,900.37x = 20,854.46 × 5,586.23
  4. Step 4: Simplify right side
    13,900.37x = 116,497,810.09
  5. Step 5: Solve for x
    x = 116,497,810.09/13,900.37
  6. Step 6: Final answer
    x = 8,380.91

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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.