Home / 19,271.85-28,893.79-13,016.22

Finding the Fourth Proportional to 19,271.85, 28,893.79 and 13,016.22

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Solution

The fourth proportional to 19,271.85, 28,893.79 and 13,016.22 is: 19,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.85 : 28,893.79 = 13,016.22 : x
  2. Step 2: Convert to fraction form
    19,271.85/28,893.79 = 13,016.22/x
  3. Step 3: Cross multiply
    19,271.85x = 28,893.79 × 13,016.22
  4. Step 4: Simplify right side
    19,271.85x = 376,087,927.27
  5. Step 5: Solve for x
    x = 376,087,927.27/19,271.85
  6. Step 6: Final answer
    x = 19,514.88

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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.