Home / 12,320.51-18,474.75-6,078.44

Finding the Fourth Proportional to 12,320.51, 18,474.75 and 6,078.44

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Solution

The fourth proportional to 12,320.51, 18,474.75 and 6,078.44 is: 9,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.51 : 18,474.75 = 6,078.44 : x
  2. Step 2: Convert to fraction form
    12,320.51/18,474.75 = 6,078.44/x
  3. Step 3: Cross multiply
    12,320.51x = 18,474.75 × 6,078.44
  4. Step 4: Simplify right side
    12,320.51x = 112,297,705.58
  5. Step 5: Solve for x
    x = 112,297,705.58/12,320.51
  6. Step 6: Final answer
    x = 9,114.70

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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.