Home / 14,514.92-21,782.09-5,280.92

Finding the Fourth Proportional to 14,514.92, 21,782.09 and 5,280.92

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Solution

The fourth proportional to 14,514.92, 21,782.09 and 5,280.92 is: 7,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.92 : 21,782.09 = 5,280.92 : x
  2. Step 2: Convert to fraction form
    14,514.92/21,782.09 = 5,280.92/x
  3. Step 3: Cross multiply
    14,514.92x = 21,782.09 × 5,280.92
  4. Step 4: Simplify right side
    14,514.92x = 115,029,474.72
  5. Step 5: Solve for x
    x = 115,029,474.72/14,514.92
  6. Step 6: Final answer
    x = 7,924.91

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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.