Home / 12,019.52-18,031.34-3,699.37

Finding the Fourth Proportional to 12,019.52, 18,031.34 and 3,699.37

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Solution

The fourth proportional to 12,019.52, 18,031.34 and 3,699.37 is: 5,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.52 : 18,031.34 = 3,699.37 : x
  2. Step 2: Convert to fraction form
    12,019.52/18,031.34 = 3,699.37/x
  3. Step 3: Cross multiply
    12,019.52x = 18,031.34 × 3,699.37
  4. Step 4: Simplify right side
    12,019.52x = 66,704,630.04
  5. Step 5: Solve for x
    x = 66,704,630.04/12,019.52
  6. Step 6: Final answer
    x = 5,549.69

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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.