Home / 10,486.02-15,731.75-3,912.25

Finding the Fourth Proportional to 10,486.02, 15,731.75 and 3,912.25

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Solution

The fourth proportional to 10,486.02, 15,731.75 and 3,912.25 is: 5,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.02 : 15,731.75 = 3,912.25 : x
  2. Step 2: Convert to fraction form
    10,486.02/15,731.75 = 3,912.25/x
  3. Step 3: Cross multiply
    10,486.02x = 15,731.75 × 3,912.25
  4. Step 4: Simplify right side
    10,486.02x = 61,546,538.94
  5. Step 5: Solve for x
    x = 61,546,538.94/10,486.02
  6. Step 6: Final answer
    x = 5,869.39

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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.