Home / 15,074.33-20,802.29-8,268.38

Finding the Fourth Proportional to 15,074.33, 20,802.29 and 8,268.38

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Solution

The fourth proportional to 15,074.33, 20,802.29 and 8,268.38 is: 11,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074.33 : 20,802.29 = 8,268.38 : x
  2. Step 2: Convert to fraction form
    15,074.33/20,802.29 = 8,268.38/x
  3. Step 3: Cross multiply
    15,074.33x = 20,802.29 × 8,268.38
  4. Step 4: Simplify right side
    15,074.33x = 172,001,093.24
  5. Step 5: Solve for x
    x = 172,001,093.24/15,074.33
  6. Step 6: Final answer
    x = 11,410.20

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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.