Home / 11,268.74-15,536.53-7,439.77

Finding the Fourth Proportional to 11,268.74, 15,536.53 and 7,439.77

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Solution

The fourth proportional to 11,268.74, 15,536.53 and 7,439.77 is: 10,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.74 : 15,536.53 = 7,439.77 : x
  2. Step 2: Convert to fraction form
    11,268.74/15,536.53 = 7,439.77/x
  3. Step 3: Cross multiply
    11,268.74x = 15,536.53 × 7,439.77
  4. Step 4: Simplify right side
    11,268.74x = 115,588,172.05
  5. Step 5: Solve for x
    x = 115,588,172.05/11,268.74
  6. Step 6: Final answer
    x = 10,257.42

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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.