Home / 18,842.48-25,995.22-11,289.13

Finding the Fourth Proportional to 18,842.48, 25,995.22 and 11,289.13

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Solution

The fourth proportional to 18,842.48, 25,995.22 and 11,289.13 is: 15,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.48 : 25,995.22 = 11,289.13 : x
  2. Step 2: Convert to fraction form
    18,842.48/25,995.22 = 11,289.13/x
  3. Step 3: Cross multiply
    18,842.48x = 25,995.22 × 11,289.13
  4. Step 4: Simplify right side
    18,842.48x = 293,463,324.75
  5. Step 5: Solve for x
    x = 293,463,324.75/18,842.48
  6. Step 6: Final answer
    x = 15,574.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.