Home / 13,873.37-20,809.45-4,012.43

Finding the Fourth Proportional to 13,873.37, 20,809.45 and 4,012.43

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Solution

The fourth proportional to 13,873.37, 20,809.45 and 4,012.43 is: 6,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.37 : 20,809.45 = 4,012.43 : x
  2. Step 2: Convert to fraction form
    13,873.37/20,809.45 = 4,012.43/x
  3. Step 3: Cross multiply
    13,873.37x = 20,809.45 × 4,012.43
  4. Step 4: Simplify right side
    13,873.37x = 83,496,441.40
  5. Step 5: Solve for x
    x = 83,496,441.40/13,873.37
  6. Step 6: Final answer
    x = 6,018.47

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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.