Home / 19,221.93-26,524.95-11,155.82

Finding the Fourth Proportional to 19,221.93, 26,524.95 and 11,155.82

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Solution

The fourth proportional to 19,221.93, 26,524.95 and 11,155.82 is: 15,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.93 : 26,524.95 = 11,155.82 : x
  2. Step 2: Convert to fraction form
    19,221.93/26,524.95 = 11,155.82/x
  3. Step 3: Cross multiply
    19,221.93x = 26,524.95 × 11,155.82
  4. Step 4: Simplify right side
    19,221.93x = 295,907,492.72
  5. Step 5: Solve for x
    x = 295,907,492.72/19,221.93
  6. Step 6: Final answer
    x = 15,394.27

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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.