Home / 11,027.39-15,222.47-7,047.59

Finding the Fourth Proportional to 11,027.39, 15,222.47 and 7,047.59

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Solution

The fourth proportional to 11,027.39, 15,222.47 and 7,047.59 is: 9,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.39 : 15,222.47 = 7,047.59 : x
  2. Step 2: Convert to fraction form
    11,027.39/15,222.47 = 7,047.59/x
  3. Step 3: Cross multiply
    11,027.39x = 15,222.47 × 7,047.59
  4. Step 4: Simplify right side
    11,027.39x = 107,281,616.00
  5. Step 5: Solve for x
    x = 107,281,616.00/11,027.39
  6. Step 6: Final answer
    x = 9,728.65

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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.