Home / 13,288.36-19,938.48-7,444.96

Finding the Fourth Proportional to 13,288.36, 19,938.48 and 7,444.96

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Solution

The fourth proportional to 13,288.36, 19,938.48 and 7,444.96 is: 11,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.36 : 19,938.48 = 7,444.96 : x
  2. Step 2: Convert to fraction form
    13,288.36/19,938.48 = 7,444.96/x
  3. Step 3: Cross multiply
    13,288.36x = 19,938.48 × 7,444.96
  4. Step 4: Simplify right side
    13,288.36x = 148,441,186.06
  5. Step 5: Solve for x
    x = 148,441,186.06/13,288.36
  6. Step 6: Final answer
    x = 11,170.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.