Home / 19,198.34-28,800.54-6,718.06

Finding the Fourth Proportional to 19,198.34, 28,800.54 and 6,718.06

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Solution

The fourth proportional to 19,198.34, 28,800.54 and 6,718.06 is: 10,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.34 : 28,800.54 = 6,718.06 : x
  2. Step 2: Convert to fraction form
    19,198.34/28,800.54 = 6,718.06/x
  3. Step 3: Cross multiply
    19,198.34x = 28,800.54 × 6,718.06
  4. Step 4: Simplify right side
    19,198.34x = 193,483,755.75
  5. Step 5: Solve for x
    x = 193,483,755.75/19,198.34
  6. Step 6: Final answer
    x = 10,078.15

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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.