Home / 10,314.49-15,467.77-3,739.09

Finding the Fourth Proportional to 10,314.49, 15,467.77 and 3,739.09

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Solution

The fourth proportional to 10,314.49, 15,467.77 and 3,739.09 is: 5,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314.49 : 15,467.77 = 3,739.09 : x
  2. Step 2: Convert to fraction form
    10,314.49/15,467.77 = 3,739.09/x
  3. Step 3: Cross multiply
    10,314.49x = 15,467.77 × 3,739.09
  4. Step 4: Simplify right side
    10,314.49x = 57,835,384.13
  5. Step 5: Solve for x
    x = 57,835,384.13/10,314.49
  6. Step 6: Final answer
    x = 5,607.20

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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.