Home / 19,630.08-27,090.72-11,249.28

Finding the Fourth Proportional to 19,630.08, 27,090.72 and 11,249.28

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Solution

The fourth proportional to 19,630.08, 27,090.72 and 11,249.28 is: 15,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.08 : 27,090.72 = 11,249.28 : x
  2. Step 2: Convert to fraction form
    19,630.08/27,090.72 = 11,249.28/x
  3. Step 3: Cross multiply
    19,630.08x = 27,090.72 × 11,249.28
  4. Step 4: Simplify right side
    19,630.08x = 304,751,094.68
  5. Step 5: Solve for x
    x = 304,751,094.68/19,630.08
  6. Step 6: Final answer
    x = 15,524.70

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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.