Home / 18,011.33-27,020.48-5,529.15

Finding the Fourth Proportional to 18,011.33, 27,020.48 and 5,529.15

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Solution

The fourth proportional to 18,011.33, 27,020.48 and 5,529.15 is: 8,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.33 : 27,020.48 = 5,529.15 : x
  2. Step 2: Convert to fraction form
    18,011.33/27,020.48 = 5,529.15/x
  3. Step 3: Cross multiply
    18,011.33x = 27,020.48 × 5,529.15
  4. Step 4: Simplify right side
    18,011.33x = 149,400,259.35
  5. Step 5: Solve for x
    x = 149,400,259.35/18,011.33
  6. Step 6: Final answer
    x = 8,294.80

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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.