Home / 9,824.12-14,738.84-3,984.80

Finding the Fourth Proportional to 9,824.12, 14,738.84 and 3,984.80

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Solution

The fourth proportional to 9,824.12, 14,738.84 and 3,984.80 is: 5,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,824.12 : 14,738.84 = 3,984.80 : x
  2. Step 2: Convert to fraction form
    9,824.12/14,738.84 = 3,984.80/x
  3. Step 3: Cross multiply
    9,824.12x = 14,738.84 × 3,984.80
  4. Step 4: Simplify right side
    9,824.12x = 58,731,329.63
  5. Step 5: Solve for x
    x = 58,731,329.63/9,824.12
  6. Step 6: Final answer
    x = 5,978.28

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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.