Home / 9,643.06-13,306.80-5,393.39

Finding the Fourth Proportional to 9,643.06, 13,306.80 and 5,393.39

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Solution

The fourth proportional to 9,643.06, 13,306.80 and 5,393.39 is: 7,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.06 : 13,306.80 = 5,393.39 : x
  2. Step 2: Convert to fraction form
    9,643.06/13,306.80 = 5,393.39/x
  3. Step 3: Cross multiply
    9,643.06x = 13,306.80 × 5,393.39
  4. Step 4: Simplify right side
    9,643.06x = 71,768,679.72
  5. Step 5: Solve for x
    x = 71,768,679.72/9,643.06
  6. Step 6: Final answer
    x = 7,442.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.