Home / 13,090.11-19,633.79-6,847.61

Finding the Fourth Proportional to 13,090.11, 19,633.79 and 6,847.61

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Solution

The fourth proportional to 13,090.11, 19,633.79 and 6,847.61 is: 10,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.11 : 19,633.79 = 6,847.61 : x
  2. Step 2: Convert to fraction form
    13,090.11/19,633.79 = 6,847.61/x
  3. Step 3: Cross multiply
    13,090.11x = 19,633.79 × 6,847.61
  4. Step 4: Simplify right side
    13,090.11x = 134,444,455.69
  5. Step 5: Solve for x
    x = 134,444,455.69/13,090.11
  6. Step 6: Final answer
    x = 10,270.69

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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.