Home / 20,670.98-31,024.46-11,804.06

Finding the Fourth Proportional to 20,670.98, 31,024.46 and 11,804.06

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Solution

The fourth proportional to 20,670.98, 31,024.46 and 11,804.06 is: 17,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,670.98 : 31,024.46 = 11,804.06 : x
  2. Step 2: Convert to fraction form
    20,670.98/31,024.46 = 11,804.06/x
  3. Step 3: Cross multiply
    20,670.98x = 31,024.46 × 11,804.06
  4. Step 4: Simplify right side
    20,670.98x = 366,214,587.31
  5. Step 5: Solve for x
    x = 366,214,587.31/20,670.98
  6. Step 6: Final answer
    x = 17,716.37

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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.