Home / 18,588.49-27,883.51-5,440.86

Finding the Fourth Proportional to 18,588.49, 27,883.51 and 5,440.86

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Solution

The fourth proportional to 18,588.49, 27,883.51 and 5,440.86 is: 8,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.49 : 27,883.51 = 5,440.86 : x
  2. Step 2: Convert to fraction form
    18,588.49/27,883.51 = 5,440.86/x
  3. Step 3: Cross multiply
    18,588.49x = 27,883.51 × 5,440.86
  4. Step 4: Simplify right side
    18,588.49x = 151,710,260.62
  5. Step 5: Solve for x
    x = 151,710,260.62/18,588.49
  6. Step 6: Final answer
    x = 8,161.52

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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.