Home / 12,031.54-18,058.34-6,490.33

Finding the Fourth Proportional to 12,031.54, 18,058.34 and 6,490.33

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Solution

The fourth proportional to 12,031.54, 18,058.34 and 6,490.33 is: 9,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.54 : 18,058.34 = 6,490.33 : x
  2. Step 2: Convert to fraction form
    12,031.54/18,058.34 = 6,490.33/x
  3. Step 3: Cross multiply
    12,031.54x = 18,058.34 × 6,490.33
  4. Step 4: Simplify right side
    12,031.54x = 117,204,556.93
  5. Step 5: Solve for x
    x = 117,204,556.93/12,031.54
  6. Step 6: Final answer
    x = 9,741.44

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1.5x scale

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.