Home / 12,249.05-18,373.79-3,484.20

Finding the Fourth Proportional to 12,249.05, 18,373.79 and 3,484.20

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Solution

The fourth proportional to 12,249.05, 18,373.79 and 3,484.20 is: 5,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.05 : 18,373.79 = 3,484.20 : x
  2. Step 2: Convert to fraction form
    12,249.05/18,373.79 = 3,484.20/x
  3. Step 3: Cross multiply
    12,249.05x = 18,373.79 × 3,484.20
  4. Step 4: Simplify right side
    12,249.05x = 64,017,967.83
  5. Step 5: Solve for x
    x = 64,017,967.83/12,249.05
  6. Step 6: Final answer
    x = 5,226.36

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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.