Home / 13,506.62-20,259.93-3,645.89

Finding the Fourth Proportional to 13,506.62, 20,259.93 and 3,645.89

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Solution

The fourth proportional to 13,506.62, 20,259.93 and 3,645.89 is: 5,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.62 : 20,259.93 = 3,645.89 : x
  2. Step 2: Convert to fraction form
    13,506.62/20,259.93 = 3,645.89/x
  3. Step 3: Cross multiply
    13,506.62x = 20,259.93 × 3,645.89
  4. Step 4: Simplify right side
    13,506.62x = 73,865,374.89
  5. Step 5: Solve for x
    x = 73,865,374.89/13,506.62
  6. Step 6: Final answer
    x = 5,468.83

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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.