Home / 13,884.75-20,828.76-4,876.10

Finding the Fourth Proportional to 13,884.75, 20,828.76 and 4,876.10

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Solution

The fourth proportional to 13,884.75, 20,828.76 and 4,876.10 is: 7,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.75 : 20,828.76 = 4,876.10 : x
  2. Step 2: Convert to fraction form
    13,884.75/20,828.76 = 4,876.10/x
  3. Step 3: Cross multiply
    13,884.75x = 20,828.76 × 4,876.10
  4. Step 4: Simplify right side
    13,884.75x = 101,562,988.11
  5. Step 5: Solve for x
    x = 101,562,988.11/13,884.75
  6. Step 6: Final answer
    x = 7,314.72

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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.