Home / 17,919.68-26,876.44-4,768.98

Finding the Fourth Proportional to 17,919.68, 26,876.44 and 4,768.98

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Solution

The fourth proportional to 17,919.68, 26,876.44 and 4,768.98 is: 7,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.68 : 26,876.44 = 4,768.98 : x
  2. Step 2: Convert to fraction form
    17,919.68/26,876.44 = 4,768.98/x
  3. Step 3: Cross multiply
    17,919.68x = 26,876.44 × 4,768.98
  4. Step 4: Simplify right side
    17,919.68x = 128,173,204.83
  5. Step 5: Solve for x
    x = 128,173,204.83/17,919.68
  6. Step 6: Final answer
    x = 7,152.65

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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.