Home / 14,144.94-21,220.03-4,657.80

Finding the Fourth Proportional to 14,144.94, 21,220.03 and 4,657.80

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Solution

The fourth proportional to 14,144.94, 21,220.03 and 4,657.80 is: 6,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.94 : 21,220.03 = 4,657.80 : x
  2. Step 2: Convert to fraction form
    14,144.94/21,220.03 = 4,657.80/x
  3. Step 3: Cross multiply
    14,144.94x = 21,220.03 × 4,657.80
  4. Step 4: Simplify right side
    14,144.94x = 98,838,610.12
  5. Step 5: Solve for x
    x = 98,838,610.12/14,144.94
  6. Step 6: Final answer
    x = 6,987.56

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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.