Home / 17,721.40-24,455.60-9,763.45

Finding the Fourth Proportional to 17,721.40, 24,455.60 and 9,763.45

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Solution

The fourth proportional to 17,721.40, 24,455.60 and 9,763.45 is: 13,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.40 : 24,455.60 = 9,763.45 : x
  2. Step 2: Convert to fraction form
    17,721.40/24,455.60 = 9,763.45/x
  3. Step 3: Cross multiply
    17,721.40x = 24,455.60 × 9,763.45
  4. Step 4: Simplify right side
    17,721.40x = 238,770,979.00
  5. Step 5: Solve for x
    x = 238,770,979.00/17,721.40
  6. Step 6: Final answer
    x = 13,473.60

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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.