Home / 9,554.13-13,185.48-5,305.45

Finding the Fourth Proportional to 9,554.13, 13,185.48 and 5,305.45

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Solution

The fourth proportional to 9,554.13, 13,185.48 and 5,305.45 is: 7,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,554.13 : 13,185.48 = 5,305.45 : x
  2. Step 2: Convert to fraction form
    9,554.13/13,185.48 = 5,305.45/x
  3. Step 3: Cross multiply
    9,554.13x = 13,185.48 × 5,305.45
  4. Step 4: Simplify right side
    9,554.13x = 69,954,904.87
  5. Step 5: Solve for x
    x = 69,954,904.87/9,554.13
  6. Step 6: Final answer
    x = 7,321.96

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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.