Home / 13,637.37-20,453.73-3,774.34

Finding the Fourth Proportional to 13,637.37, 20,453.73 and 3,774.34

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Solution

The fourth proportional to 13,637.37, 20,453.73 and 3,774.34 is: 5,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.37 : 20,453.73 = 3,774.34 : x
  2. Step 2: Convert to fraction form
    13,637.37/20,453.73 = 3,774.34/x
  3. Step 3: Cross multiply
    13,637.37x = 20,453.73 × 3,774.34
  4. Step 4: Simplify right side
    13,637.37x = 77,199,248.88
  5. Step 5: Solve for x
    x = 77,199,248.88/13,637.37
  6. Step 6: Final answer
    x = 5,660.86

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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.