Home / 19,328.49-28,993.28-6,180.84

Finding the Fourth Proportional to 19,328.49, 28,993.28 and 6,180.84

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Solution

The fourth proportional to 19,328.49, 28,993.28 and 6,180.84 is: 9,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.49 : 28,993.28 = 6,180.84 : x
  2. Step 2: Convert to fraction form
    19,328.49/28,993.28 = 6,180.84/x
  3. Step 3: Cross multiply
    19,328.49x = 28,993.28 × 6,180.84
  4. Step 4: Simplify right side
    19,328.49x = 179,202,793.85
  5. Step 5: Solve for x
    x = 179,202,793.85/19,328.49
  6. Step 6: Final answer
    x = 9,271.43

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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.