Home / 13,750.37-20,625.35-3,362.21

Finding the Fourth Proportional to 13,750.37, 20,625.35 and 3,362.21

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Solution

The fourth proportional to 13,750.37, 20,625.35 and 3,362.21 is: 5,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.37 : 20,625.35 = 3,362.21 : x
  2. Step 2: Convert to fraction form
    13,750.37/20,625.35 = 3,362.21/x
  3. Step 3: Cross multiply
    13,750.37x = 20,625.35 × 3,362.21
  4. Step 4: Simplify right side
    13,750.37x = 69,346,638.09
  5. Step 5: Solve for x
    x = 69,346,638.09/13,750.37
  6. Step 6: Final answer
    x = 5,043.26

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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.