Home / 10,483-15,723.38-3,087.48

Finding the Fourth Proportional to 10,483, 15,723.38 and 3,087.48

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Solution

The fourth proportional to 10,483, 15,723.38 and 3,087.48 is: 4,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,483 : 15,723.38 = 3,087.48 : x
  2. Step 2: Convert to fraction form
    10,483/15,723.38 = 3,087.48/x
  3. Step 3: Cross multiply
    10,483x = 15,723.38 × 3,087.48
  4. Step 4: Simplify right side
    10,483x = 48,545,621.28
  5. Step 5: Solve for x
    x = 48,545,621.28/10,483
  6. Step 6: Final answer
    x = 4,630.89

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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.