Home / 13,595.37-20,389.89-3,735.45

Finding the Fourth Proportional to 13,595.37, 20,389.89 and 3,735.45

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Solution

The fourth proportional to 13,595.37, 20,389.89 and 3,735.45 is: 5,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.37 : 20,389.89 = 3,735.45 : x
  2. Step 2: Convert to fraction form
    13,595.37/20,389.89 = 3,735.45/x
  3. Step 3: Cross multiply
    13,595.37x = 20,389.89 × 3,735.45
  4. Step 4: Simplify right side
    13,595.37x = 76,165,414.60
  5. Step 5: Solve for x
    x = 76,165,414.60/13,595.37
  6. Step 6: Final answer
    x = 5,602.31

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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.