Home / 14,020.04-21,027.09-5,255.60

Finding the Fourth Proportional to 14,020.04, 21,027.09 and 5,255.60

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Solution

The fourth proportional to 14,020.04, 21,027.09 and 5,255.60 is: 7,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.04 : 21,027.09 = 5,255.60 : x
  2. Step 2: Convert to fraction form
    14,020.04/21,027.09 = 5,255.60/x
  3. Step 3: Cross multiply
    14,020.04x = 21,027.09 × 5,255.60
  4. Step 4: Simplify right side
    14,020.04x = 110,509,974.20
  5. Step 5: Solve for x
    x = 110,509,974.20/14,020.04
  6. Step 6: Final answer
    x = 7,882.29

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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.