Home / 11,040.41-15,235.44-6,260.81

Finding the Fourth Proportional to 11,040.41, 15,235.44 and 6,260.81

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Solution

The fourth proportional to 11,040.41, 15,235.44 and 6,260.81 is: 8,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.41 : 15,235.44 = 6,260.81 : x
  2. Step 2: Convert to fraction form
    11,040.41/15,235.44 = 6,260.81/x
  3. Step 3: Cross multiply
    11,040.41x = 15,235.44 × 6,260.81
  4. Step 4: Simplify right side
    11,040.41x = 95,386,118.93
  5. Step 5: Solve for x
    x = 95,386,118.93/11,040.41
  6. Step 6: Final answer
    x = 8,639.73

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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.