Home / 9,968.60-14,958.30-4,422.80

Finding the Fourth Proportional to 9,968.60, 14,958.30 and 4,422.80

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Solution

The fourth proportional to 9,968.60, 14,958.30 and 4,422.80 is: 6,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.60 : 14,958.30 = 4,422.80 : x
  2. Step 2: Convert to fraction form
    9,968.60/14,958.30 = 4,422.80/x
  3. Step 3: Cross multiply
    9,968.60x = 14,958.30 × 4,422.80
  4. Step 4: Simplify right side
    9,968.60x = 66,157,569.24
  5. Step 5: Solve for x
    x = 66,157,569.24/9,968.60
  6. Step 6: Final answer
    x = 6,636.60

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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.