Home / 18,420.14-27,632.02-7,324.34

Finding the Fourth Proportional to 18,420.14, 27,632.02 and 7,324.34

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Solution

The fourth proportional to 18,420.14, 27,632.02 and 7,324.34 is: 10,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420.14 : 27,632.02 = 7,324.34 : x
  2. Step 2: Convert to fraction form
    18,420.14/27,632.02 = 7,324.34/x
  3. Step 3: Cross multiply
    18,420.14x = 27,632.02 × 7,324.34
  4. Step 4: Simplify right side
    18,420.14x = 202,386,309.37
  5. Step 5: Solve for x
    x = 202,386,309.37/18,420.14
  6. Step 6: Final answer
    x = 10,987.23

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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.