Home / 13,805.41-19,050.96-8,436.83

Finding the Fourth Proportional to 13,805.41, 19,050.96 and 8,436.83

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Solution

The fourth proportional to 13,805.41, 19,050.96 and 8,436.83 is: 11,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.41 : 19,050.96 = 8,436.83 : x
  2. Step 2: Convert to fraction form
    13,805.41/19,050.96 = 8,436.83/x
  3. Step 3: Cross multiply
    13,805.41x = 19,050.96 × 8,436.83
  4. Step 4: Simplify right side
    13,805.41x = 160,729,643.33
  5. Step 5: Solve for x
    x = 160,729,643.33/13,805.41
  6. Step 6: Final answer
    x = 11,642.51

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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.