Home / 12,584.01-18,876.08-3,819

Finding the Fourth Proportional to 12,584.01, 18,876.08 and 3,819

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Solution

The fourth proportional to 12,584.01, 18,876.08 and 3,819 is: 5,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.01 : 18,876.08 = 3,819 : x
  2. Step 2: Convert to fraction form
    12,584.01/18,876.08 = 3,819/x
  3. Step 3: Cross multiply
    12,584.01x = 18,876.08 × 3,819
  4. Step 4: Simplify right side
    12,584.01x = 72,087,730.43
  5. Step 5: Solve for x
    x = 72,087,730.43/12,584.01
  6. Step 6: Final answer
    x = 5,728.52

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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.