Home / 12,040.68-18,054.40-3,718.40

Finding the Fourth Proportional to 12,040.68, 18,054.40 and 3,718.40

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Solution

The fourth proportional to 12,040.68, 18,054.40 and 3,718.40 is: 5,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.68 : 18,054.40 = 3,718.40 : x
  2. Step 2: Convert to fraction form
    12,040.68/18,054.40 = 3,718.40/x
  3. Step 3: Cross multiply
    12,040.68x = 18,054.40 × 3,718.40
  4. Step 4: Simplify right side
    12,040.68x = 67,133,480.96
  5. Step 5: Solve for x
    x = 67,133,480.96/12,040.68
  6. Step 6: Final answer
    x = 5,575.56

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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.