Home / 9,927.09-13,699.31-5,450.91

Finding the Fourth Proportional to 9,927.09, 13,699.31 and 5,450.91

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Solution

The fourth proportional to 9,927.09, 13,699.31 and 5,450.91 is: 7,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.09 : 13,699.31 = 5,450.91 : x
  2. Step 2: Convert to fraction form
    9,927.09/13,699.31 = 5,450.91/x
  3. Step 3: Cross multiply
    9,927.09x = 13,699.31 × 5,450.91
  4. Step 4: Simplify right side
    9,927.09x = 74,673,678.62
  5. Step 5: Solve for x
    x = 74,673,678.62/9,927.09
  6. Step 6: Final answer
    x = 7,522.21

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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.