Home / 14,738.76-22,105.80-4,878.06

Finding the Fourth Proportional to 14,738.76, 22,105.80 and 4,878.06

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Solution

The fourth proportional to 14,738.76, 22,105.80 and 4,878.06 is: 7,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.76 : 22,105.80 = 4,878.06 : x
  2. Step 2: Convert to fraction form
    14,738.76/22,105.80 = 4,878.06/x
  3. Step 3: Cross multiply
    14,738.76x = 22,105.80 × 4,878.06
  4. Step 4: Simplify right side
    14,738.76x = 107,833,418.75
  5. Step 5: Solve for x
    x = 107,833,418.75/14,738.76
  6. Step 6: Final answer
    x = 7,316.32

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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.