Home / 9,255.21-13,876.63-5,097.16

Finding the Fourth Proportional to 9,255.21, 13,876.63 and 5,097.16

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Solution

The fourth proportional to 9,255.21, 13,876.63 and 5,097.16 is: 7,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.21 : 13,876.63 = 5,097.16 : x
  2. Step 2: Convert to fraction form
    9,255.21/13,876.63 = 5,097.16/x
  3. Step 3: Cross multiply
    9,255.21x = 13,876.63 × 5,097.16
  4. Step 4: Simplify right side
    9,255.21x = 70,731,403.37
  5. Step 5: Solve for x
    x = 70,731,403.37/9,255.21
  6. Step 6: Final answer
    x = 7,642.33

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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.