Home / 10,784.22-16,198.47-7,091.70

Finding the Fourth Proportional to 10,784.22, 16,198.47 and 7,091.70

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Solution

The fourth proportional to 10,784.22, 16,198.47 and 7,091.70 is: 10,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.22 : 16,198.47 = 7,091.70 : x
  2. Step 2: Convert to fraction form
    10,784.22/16,198.47 = 7,091.70/x
  3. Step 3: Cross multiply
    10,784.22x = 16,198.47 × 7,091.70
  4. Step 4: Simplify right side
    10,784.22x = 114,874,689.70
  5. Step 5: Solve for x
    x = 114,874,689.70/10,784.22
  6. Step 6: Final answer
    x = 10,652.11

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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.