Home / 11,820.04-17,728.74-3,055.72

Finding the Fourth Proportional to 11,820.04, 17,728.74 and 3,055.72

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Solution

The fourth proportional to 11,820.04, 17,728.74 and 3,055.72 is: 4,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820.04 : 17,728.74 = 3,055.72 : x
  2. Step 2: Convert to fraction form
    11,820.04/17,728.74 = 3,055.72/x
  3. Step 3: Cross multiply
    11,820.04x = 17,728.74 × 3,055.72
  4. Step 4: Simplify right side
    11,820.04x = 54,174,065.39
  5. Step 5: Solve for x
    x = 54,174,065.39/11,820.04
  6. Step 6: Final answer
    x = 4,583.24

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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.