Home / 20,051.31-27,670.36-11,098.27

Finding the Fourth Proportional to 20,051.31, 27,670.36 and 11,098.27

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Solution

The fourth proportional to 20,051.31, 27,670.36 and 11,098.27 is: 15,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.31 : 27,670.36 = 11,098.27 : x
  2. Step 2: Convert to fraction form
    20,051.31/27,670.36 = 11,098.27/x
  3. Step 3: Cross multiply
    20,051.31x = 27,670.36 × 11,098.27
  4. Step 4: Simplify right side
    20,051.31x = 307,093,126.28
  5. Step 5: Solve for x
    x = 307,093,126.28/20,051.31
  6. Step 6: Final answer
    x = 15,315.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.