Home / 13,645.56-20,468.34-3,784.62

Finding the Fourth Proportional to 13,645.56, 20,468.34 and 3,784.62

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Solution

The fourth proportional to 13,645.56, 20,468.34 and 3,784.62 is: 5,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.56 : 20,468.34 = 3,784.62 : x
  2. Step 2: Convert to fraction form
    13,645.56/20,468.34 = 3,784.62/x
  3. Step 3: Cross multiply
    13,645.56x = 20,468.34 × 3,784.62
  4. Step 4: Simplify right side
    13,645.56x = 77,464,888.93
  5. Step 5: Solve for x
    x = 77,464,888.93/13,645.56
  6. Step 6: Final answer
    x = 5,676.93

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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.