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Finding the Fourth Proportional to 9,968, 13,759.08 and 5,775.44

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Solution

The fourth proportional to 9,968, 13,759.08 and 5,775.44 is: 7,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968 : 13,759.08 = 5,775.44 : x
  2. Step 2: Convert to fraction form
    9,968/13,759.08 = 5,775.44/x
  3. Step 3: Cross multiply
    9,968x = 13,759.08 × 5,775.44
  4. Step 4: Simplify right side
    9,968x = 79,464,741.00
  5. Step 5: Solve for x
    x = 79,464,741.00/9,968
  6. Step 6: Final answer
    x = 7,971.98

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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.