Home / 18,204.36-27,262.80-10,389.48

Finding the Fourth Proportional to 18,204.36, 27,262.80 and 10,389.48

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Solution

The fourth proportional to 18,204.36, 27,262.80 and 10,389.48 is: 15,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.36 : 27,262.80 = 10,389.48 : x
  2. Step 2: Convert to fraction form
    18,204.36/27,262.80 = 10,389.48/x
  3. Step 3: Cross multiply
    18,204.36x = 27,262.80 × 10,389.48
  4. Step 4: Simplify right side
    18,204.36x = 283,246,315.34
  5. Step 5: Solve for x
    x = 283,246,315.34/18,204.36
  6. Step 6: Final answer
    x = 15,559.26

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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.