Home / 9,620.48-14,422.08-4,989.44

Finding the Fourth Proportional to 9,620.48, 14,422.08 and 4,989.44

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Solution

The fourth proportional to 9,620.48, 14,422.08 and 4,989.44 is: 7,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.48 : 14,422.08 = 4,989.44 : x
  2. Step 2: Convert to fraction form
    9,620.48/14,422.08 = 4,989.44/x
  3. Step 3: Cross multiply
    9,620.48x = 14,422.08 × 4,989.44
  4. Step 4: Simplify right side
    9,620.48x = 71,958,102.84
  5. Step 5: Solve for x
    x = 71,958,102.84/9,620.48
  6. Step 6: Final answer
    x = 7,479.68

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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.