Home / 18,262.36-27,389.89-5,780.26

Finding the Fourth Proportional to 18,262.36, 27,389.89 and 5,780.26

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Solution

The fourth proportional to 18,262.36, 27,389.89 and 5,780.26 is: 8,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.36 : 27,389.89 = 5,780.26 : x
  2. Step 2: Convert to fraction form
    18,262.36/27,389.89 = 5,780.26/x
  3. Step 3: Cross multiply
    18,262.36x = 27,389.89 × 5,780.26
  4. Step 4: Simplify right side
    18,262.36x = 158,320,624.32
  5. Step 5: Solve for x
    x = 158,320,624.32/18,262.36
  6. Step 6: Final answer
    x = 8,669.23

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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.