Home / 18,018.24-26,983.44-10,203.36

Finding the Fourth Proportional to 18,018.24, 26,983.44 and 10,203.36

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Solution

The fourth proportional to 18,018.24, 26,983.44 and 10,203.36 is: 15,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.24 : 26,983.44 = 10,203.36 : x
  2. Step 2: Convert to fraction form
    18,018.24/26,983.44 = 10,203.36/x
  3. Step 3: Cross multiply
    18,018.24x = 26,983.44 × 10,203.36
  4. Step 4: Simplify right side
    18,018.24x = 275,321,752.36
  5. Step 5: Solve for x
    x = 275,321,752.36/18,018.24
  6. Step 6: Final answer
    x = 15,280.17

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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.