Home / 15,345.36-23,012.40-5,481.96

Finding the Fourth Proportional to 15,345.36, 23,012.40 and 5,481.96

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Solution

The fourth proportional to 15,345.36, 23,012.40 and 5,481.96 is: 8,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345.36 : 23,012.40 = 5,481.96 : x
  2. Step 2: Convert to fraction form
    15,345.36/23,012.40 = 5,481.96/x
  3. Step 3: Cross multiply
    15,345.36x = 23,012.40 × 5,481.96
  4. Step 4: Simplify right side
    15,345.36x = 126,153,056.30
  5. Step 5: Solve for x
    x = 126,153,056.30/15,345.36
  6. Step 6: Final answer
    x = 8,220.93

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Why These Related Problems?

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