Home / 15,391.08-23,090.54-4,297.79

Finding the Fourth Proportional to 15,391.08, 23,090.54 and 4,297.79

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Solution

The fourth proportional to 15,391.08, 23,090.54 and 4,297.79 is: 6,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391.08 : 23,090.54 = 4,297.79 : x
  2. Step 2: Convert to fraction form
    15,391.08/23,090.54 = 4,297.79/x
  3. Step 3: Cross multiply
    15,391.08x = 23,090.54 × 4,297.79
  4. Step 4: Simplify right side
    15,391.08x = 99,238,328.14
  5. Step 5: Solve for x
    x = 99,238,328.14/15,391.08
  6. Step 6: Final answer
    x = 6,447.78

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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.