Home / 15,734.44-21,720.33-11,250.40

Finding the Fourth Proportional to 15,734.44, 21,720.33 and 11,250.40

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Solution

The fourth proportional to 15,734.44, 21,720.33 and 11,250.40 is: 15,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734.44 : 21,720.33 = 11,250.40 : x
  2. Step 2: Convert to fraction form
    15,734.44/21,720.33 = 11,250.40/x
  3. Step 3: Cross multiply
    15,734.44x = 21,720.33 × 11,250.40
  4. Step 4: Simplify right side
    15,734.44x = 244,362,400.63
  5. Step 5: Solve for x
    x = 244,362,400.63/15,734.44
  6. Step 6: Final answer
    x = 15,530.42

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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.