Home / 9,019.74-12,427.44-6,741.54

Finding the Fourth Proportional to 9,019.74, 12,427.44 and 6,741.54

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Solution

The fourth proportional to 9,019.74, 12,427.44 and 6,741.54 is: 9,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.74 : 12,427.44 = 6,741.54 : x
  2. Step 2: Convert to fraction form
    9,019.74/12,427.44 = 6,741.54/x
  3. Step 3: Cross multiply
    9,019.74x = 12,427.44 × 6,741.54
  4. Step 4: Simplify right side
    9,019.74x = 83,780,083.86
  5. Step 5: Solve for x
    x = 83,780,083.86/9,019.74
  6. Step 6: Final answer
    x = 9,288.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.