Home / 17,783.96-26,618.00-13,102.11

Finding the Fourth Proportional to 17,783.96, 26,618.00 and 13,102.11

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Solution

The fourth proportional to 17,783.96, 26,618.00 and 13,102.11 is: 19,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,783.96 : 26,618.00 = 13,102.11 : x
  2. Step 2: Convert to fraction form
    17,783.96/26,618.00 = 13,102.11/x
  3. Step 3: Cross multiply
    17,783.96x = 26,618.00 × 13,102.11
  4. Step 4: Simplify right side
    17,783.96x = 348,751,898.47
  5. Step 5: Solve for x
    x = 348,751,898.47/17,783.96
  6. Step 6: Final answer
    x = 19,610.48

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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.