Home / 19,378.41-26,745.14-11,829.15

Finding the Fourth Proportional to 19,378.41, 26,745.14 and 11,829.15

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Solution

The fourth proportional to 19,378.41, 26,745.14 and 11,829.15 is: 16,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.41 : 26,745.14 = 11,829.15 : x
  2. Step 2: Convert to fraction form
    19,378.41/26,745.14 = 11,829.15/x
  3. Step 3: Cross multiply
    19,378.41x = 26,745.14 × 11,829.15
  4. Step 4: Simplify right side
    19,378.41x = 316,372,079.96
  5. Step 5: Solve for x
    x = 316,372,079.96/19,378.41
  6. Step 6: Final answer
    x = 16,326.01

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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.