Home / 13,632.04-20,448-3,771.30

Finding the Fourth Proportional to 13,632.04, 20,448 and 3,771.30

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Solution

The fourth proportional to 13,632.04, 20,448 and 3,771.30 is: 5,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.04 : 20,448 = 3,771.30 : x
  2. Step 2: Convert to fraction form
    13,632.04/20,448 = 3,771.30/x
  3. Step 3: Cross multiply
    13,632.04x = 20,448 × 3,771.30
  4. Step 4: Simplify right side
    13,632.04x = 77,115,542.40
  5. Step 5: Solve for x
    x = 77,115,542.40/13,632.04
  6. Step 6: Final answer
    x = 5,656.93

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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.