Home / 9,902.21-14,853.54-3,328.46

Finding the Fourth Proportional to 9,902.21, 14,853.54 and 3,328.46

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Solution

The fourth proportional to 9,902.21, 14,853.54 and 3,328.46 is: 4,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902.21 : 14,853.54 = 3,328.46 : x
  2. Step 2: Convert to fraction form
    9,902.21/14,853.54 = 3,328.46/x
  3. Step 3: Cross multiply
    9,902.21x = 14,853.54 × 3,328.46
  4. Step 4: Simplify right side
    9,902.21x = 49,439,339.48
  5. Step 5: Solve for x
    x = 49,439,339.48/9,902.21
  6. Step 6: Final answer
    x = 4,992.76

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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.