Home / 11,823.86-17,736.24-4,427.55

Finding the Fourth Proportional to 11,823.86, 17,736.24 and 4,427.55

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Solution

The fourth proportional to 11,823.86, 17,736.24 and 4,427.55 is: 6,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.86 : 17,736.24 = 4,427.55 : x
  2. Step 2: Convert to fraction form
    11,823.86/17,736.24 = 4,427.55/x
  3. Step 3: Cross multiply
    11,823.86x = 17,736.24 × 4,427.55
  4. Step 4: Simplify right side
    11,823.86x = 78,528,089.41
  5. Step 5: Solve for x
    x = 78,528,089.41/11,823.86
  6. Step 6: Final answer
    x = 6,641.49

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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.