Home / 9,328.54-13,989.68-2,754.84

Finding the Fourth Proportional to 9,328.54, 13,989.68 and 2,754.84

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Solution

The fourth proportional to 9,328.54, 13,989.68 and 2,754.84 is: 4,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.54 : 13,989.68 = 2,754.84 : x
  2. Step 2: Convert to fraction form
    9,328.54/13,989.68 = 2,754.84/x
  3. Step 3: Cross multiply
    9,328.54x = 13,989.68 × 2,754.84
  4. Step 4: Simplify right side
    9,328.54x = 38,539,330.05
  5. Step 5: Solve for x
    x = 38,539,330.05/9,328.54
  6. Step 6: Final answer
    x = 4,131.34

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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.