Home / 12,131.04-18,185.04-4,740.24

Finding the Fourth Proportional to 12,131.04, 18,185.04 and 4,740.24

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Solution

The fourth proportional to 12,131.04, 18,185.04 and 4,740.24 is: 7,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131.04 : 18,185.04 = 4,740.24 : x
  2. Step 2: Convert to fraction form
    12,131.04/18,185.04 = 4,740.24/x
  3. Step 3: Cross multiply
    12,131.04x = 18,185.04 × 4,740.24
  4. Step 4: Simplify right side
    12,131.04x = 86,201,454.01
  5. Step 5: Solve for x
    x = 86,201,454.01/12,131.04
  6. Step 6: Final answer
    x = 7,105.86

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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.