Home / 15,249.09-21,040.73-8,533.42

Finding the Fourth Proportional to 15,249.09, 21,040.73 and 8,533.42

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Solution

The fourth proportional to 15,249.09, 21,040.73 and 8,533.42 is: 11,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.09 : 21,040.73 = 8,533.42 : x
  2. Step 2: Convert to fraction form
    15,249.09/21,040.73 = 8,533.42/x
  3. Step 3: Cross multiply
    15,249.09x = 21,040.73 × 8,533.42
  4. Step 4: Simplify right side
    15,249.09x = 179,549,322.93
  5. Step 5: Solve for x
    x = 179,549,322.93/15,249.09
  6. Step 6: Final answer
    x = 11,774.43

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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.