Home / 9,999.23-13,798.94-5,523.27

Finding the Fourth Proportional to 9,999.23, 13,798.94 and 5,523.27

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Solution

The fourth proportional to 9,999.23, 13,798.94 and 5,523.27 is: 7,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.23 : 13,798.94 = 5,523.27 : x
  2. Step 2: Convert to fraction form
    9,999.23/13,798.94 = 5,523.27/x
  3. Step 3: Cross multiply
    9,999.23x = 13,798.94 × 5,523.27
  4. Step 4: Simplify right side
    9,999.23x = 76,215,243.72
  5. Step 5: Solve for x
    x = 76,215,243.72/9,999.23
  6. Step 6: Final answer
    x = 7,622.12

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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.