Home / 12,608.10-18,913.37-4,711.05

Finding the Fourth Proportional to 12,608.10, 18,913.37 and 4,711.05

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Solution

The fourth proportional to 12,608.10, 18,913.37 and 4,711.05 is: 7,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.10 : 18,913.37 = 4,711.05 : x
  2. Step 2: Convert to fraction form
    12,608.10/18,913.37 = 4,711.05/x
  3. Step 3: Cross multiply
    12,608.10x = 18,913.37 × 4,711.05
  4. Step 4: Simplify right side
    12,608.10x = 89,101,808.18
  5. Step 5: Solve for x
    x = 89,101,808.18/12,608.10
  6. Step 6: Final answer
    x = 7,067.03

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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.