Home / 10,400.21-15,605.37-4,556.06

Finding the Fourth Proportional to 10,400.21, 15,605.37 and 4,556.06

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Solution

The fourth proportional to 10,400.21, 15,605.37 and 4,556.06 is: 6,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.21 : 15,605.37 = 4,556.06 : x
  2. Step 2: Convert to fraction form
    10,400.21/15,605.37 = 4,556.06/x
  3. Step 3: Cross multiply
    10,400.21x = 15,605.37 × 4,556.06
  4. Step 4: Simplify right side
    10,400.21x = 71,098,924.02
  5. Step 5: Solve for x
    x = 71,098,924.02/10,400.21
  6. Step 6: Final answer
    x = 6,836.30

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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.