Home / 12,919.83-19,372.46-4,482.38

Finding the Fourth Proportional to 12,919.83, 19,372.46 and 4,482.38

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Solution

The fourth proportional to 12,919.83, 19,372.46 and 4,482.38 is: 6,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919.83 : 19,372.46 = 4,482.38 : x
  2. Step 2: Convert to fraction form
    12,919.83/19,372.46 = 4,482.38/x
  3. Step 3: Cross multiply
    12,919.83x = 19,372.46 × 4,482.38
  4. Step 4: Simplify right side
    12,919.83x = 86,834,727.25
  5. Step 5: Solve for x
    x = 86,834,727.25/12,919.83
  6. Step 6: Final answer
    x = 6,721.04

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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.