Home / 11,563.77-17,345.70-2,798.67

Finding the Fourth Proportional to 11,563.77, 17,345.70 and 2,798.67

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Solution

The fourth proportional to 11,563.77, 17,345.70 and 2,798.67 is: 4,198.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.77 : 17,345.70 = 2,798.67 : x
  2. Step 2: Convert to fraction form
    11,563.77/17,345.70 = 2,798.67/x
  3. Step 3: Cross multiply
    11,563.77x = 17,345.70 × 2,798.67
  4. Step 4: Simplify right side
    11,563.77x = 48,544,890.22
  5. Step 5: Solve for x
    x = 48,544,890.22/11,563.77
  6. Step 6: Final answer
    x = 4,198.02

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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.