Home / 36,087.51-54,127.78-11,120.86

Finding the Fourth Proportional to 36,087.51, 54,127.78 and 11,120.86

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Solution

The fourth proportional to 36,087.51, 54,127.78 and 11,120.86 is: 16,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,087.51 : 54,127.78 = 11,120.86 : x
  2. Step 2: Convert to fraction form
    36,087.51/54,127.78 = 11,120.86/x
  3. Step 3: Cross multiply
    36,087.51x = 54,127.78 × 11,120.86
  4. Step 4: Simplify right side
    36,087.51x = 601,947,342.07
  5. Step 5: Solve for x
    x = 601,947,342.07/36,087.51
  6. Step 6: Final answer
    x = 16,680.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.