Home / 12,019.56-18,031.06-3,700.26

Finding the Fourth Proportional to 12,019.56, 18,031.06 and 3,700.26

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Solution

The fourth proportional to 12,019.56, 18,031.06 and 3,700.26 is: 5,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.56 : 18,031.06 = 3,700.26 : x
  2. Step 2: Convert to fraction form
    12,019.56/18,031.06 = 3,700.26/x
  3. Step 3: Cross multiply
    12,019.56x = 18,031.06 × 3,700.26
  4. Step 4: Simplify right side
    12,019.56x = 66,719,610.08
  5. Step 5: Solve for x
    x = 66,719,610.08/12,019.56
  6. Step 6: Final answer
    x = 5,550.92

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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.