Home / 20,009.64-27,613.60-11,057.35

Finding the Fourth Proportional to 20,009.64, 27,613.60 and 11,057.35

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Solution

The fourth proportional to 20,009.64, 27,613.60 and 11,057.35 is: 15,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.64 : 27,613.60 = 11,057.35 : x
  2. Step 2: Convert to fraction form
    20,009.64/27,613.60 = 11,057.35/x
  3. Step 3: Cross multiply
    20,009.64x = 27,613.60 × 11,057.35
  4. Step 4: Simplify right side
    20,009.64x = 305,333,239.96
  5. Step 5: Solve for x
    x = 305,333,239.96/20,009.64
  6. Step 6: Final answer
    x = 15,259.31

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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.