Home / 13,588.04-20,379.72-3,727.64

Finding the Fourth Proportional to 13,588.04, 20,379.72 and 3,727.64

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Solution

The fourth proportional to 13,588.04, 20,379.72 and 3,727.64 is: 5,590.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.04 : 20,379.72 = 3,727.64 : x
  2. Step 2: Convert to fraction form
    13,588.04/20,379.72 = 3,727.64/x
  3. Step 3: Cross multiply
    13,588.04x = 20,379.72 × 3,727.64
  4. Step 4: Simplify right side
    13,588.04x = 75,968,259.46
  5. Step 5: Solve for x
    x = 75,968,259.46/13,588.04
  6. Step 6: Final answer
    x = 5,590.82

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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.