Home / 14,190.48-19,582.44-7,902.72

Finding the Fourth Proportional to 14,190.48, 19,582.44 and 7,902.72

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Solution

The fourth proportional to 14,190.48, 19,582.44 and 7,902.72 is: 10,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.48 : 19,582.44 = 7,902.72 : x
  2. Step 2: Convert to fraction form
    14,190.48/19,582.44 = 7,902.72/x
  3. Step 3: Cross multiply
    14,190.48x = 19,582.44 × 7,902.72
  4. Step 4: Simplify right side
    14,190.48x = 154,754,540.24
  5. Step 5: Solve for x
    x = 154,754,540.24/14,190.48
  6. Step 6: Final answer
    x = 10,905.52

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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.