Home / 19,805.22-27,330.57-11,422.98

Finding the Fourth Proportional to 19,805.22, 27,330.57 and 11,422.98

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Solution

The fourth proportional to 19,805.22, 27,330.57 and 11,422.98 is: 15,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.22 : 27,330.57 = 11,422.98 : x
  2. Step 2: Convert to fraction form
    19,805.22/27,330.57 = 11,422.98/x
  3. Step 3: Cross multiply
    19,805.22x = 27,330.57 × 11,422.98
  4. Step 4: Simplify right side
    19,805.22x = 312,196,554.50
  5. Step 5: Solve for x
    x = 312,196,554.50/19,805.22
  6. Step 6: Final answer
    x = 15,763.35

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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.