Home / 12,089.64-18,134.10-3,325.08

Finding the Fourth Proportional to 12,089.64, 18,134.10 and 3,325.08

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Solution

The fourth proportional to 12,089.64, 18,134.10 and 3,325.08 is: 4,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.64 : 18,134.10 = 3,325.08 : x
  2. Step 2: Convert to fraction form
    12,089.64/18,134.10 = 3,325.08/x
  3. Step 3: Cross multiply
    12,089.64x = 18,134.10 × 3,325.08
  4. Step 4: Simplify right side
    12,089.64x = 60,297,333.23
  5. Step 5: Solve for x
    x = 60,297,333.23/12,089.64
  6. Step 6: Final answer
    x = 4,987.52

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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.