Home / 14,104.80-21,149.36-5,790.65

Finding the Fourth Proportional to 14,104.80, 21,149.36 and 5,790.65

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Solution

The fourth proportional to 14,104.80, 21,149.36 and 5,790.65 is: 8,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.80 : 21,149.36 = 5,790.65 : x
  2. Step 2: Convert to fraction form
    14,104.80/21,149.36 = 5,790.65/x
  3. Step 3: Cross multiply
    14,104.80x = 21,149.36 × 5,790.65
  4. Step 4: Simplify right side
    14,104.80x = 122,468,541.48
  5. Step 5: Solve for x
    x = 122,468,541.48/14,104.80
  6. Step 6: Final answer
    x = 8,682.76

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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.