Home / 15,634.26-21,577.33-8,918.34

Finding the Fourth Proportional to 15,634.26, 21,577.33 and 8,918.34

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Solution

The fourth proportional to 15,634.26, 21,577.33 and 8,918.34 is: 12,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.26 : 21,577.33 = 8,918.34 : x
  2. Step 2: Convert to fraction form
    15,634.26/21,577.33 = 8,918.34/x
  3. Step 3: Cross multiply
    15,634.26x = 21,577.33 × 8,918.34
  4. Step 4: Simplify right side
    15,634.26x = 192,433,965.23
  5. Step 5: Solve for x
    x = 192,433,965.23/15,634.26
  6. Step 6: Final answer
    x = 12,308.48

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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.