Home / 19,480.26-26,878.41-11,925.99

Finding the Fourth Proportional to 19,480.26, 26,878.41 and 11,925.99

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Solution

The fourth proportional to 19,480.26, 26,878.41 and 11,925.99 is: 16,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.26 : 26,878.41 = 11,925.99 : x
  2. Step 2: Convert to fraction form
    19,480.26/26,878.41 = 11,925.99/x
  3. Step 3: Cross multiply
    19,480.26x = 26,878.41 × 11,925.99
  4. Step 4: Simplify right side
    19,480.26x = 320,551,648.88
  5. Step 5: Solve for x
    x = 320,551,648.88/19,480.26
  6. Step 6: Final answer
    x = 16,455.20

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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.