Home / 14,979.87-22,469.87-3,885.77

Finding the Fourth Proportional to 14,979.87, 22,469.87 and 3,885.77

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Solution

The fourth proportional to 14,979.87, 22,469.87 and 3,885.77 is: 5,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.87 : 22,469.87 = 3,885.77 : x
  2. Step 2: Convert to fraction form
    14,979.87/22,469.87 = 3,885.77/x
  3. Step 3: Cross multiply
    14,979.87x = 22,469.87 × 3,885.77
  4. Step 4: Simplify right side
    14,979.87x = 87,312,746.75
  5. Step 5: Solve for x
    x = 87,312,746.75/14,979.87
  6. Step 6: Final answer
    x = 5,828.67

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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.