Home / 14,107.74-21,158.57-5,779.73

Finding the Fourth Proportional to 14,107.74, 21,158.57 and 5,779.73

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Solution

The fourth proportional to 14,107.74, 21,158.57 and 5,779.73 is: 8,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.74 : 21,158.57 = 5,779.73 : x
  2. Step 2: Convert to fraction form
    14,107.74/21,158.57 = 5,779.73/x
  3. Step 3: Cross multiply
    14,107.74x = 21,158.57 × 5,779.73
  4. Step 4: Simplify right side
    14,107.74x = 122,290,730.44
  5. Step 5: Solve for x
    x = 122,290,730.44/14,107.74
  6. Step 6: Final answer
    x = 8,668.34

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1.5x scale

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.