Home / 18,538.43-25,582.91-10,040.36

Finding the Fourth Proportional to 18,538.43, 25,582.91 and 10,040.36

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Solution

The fourth proportional to 18,538.43, 25,582.91 and 10,040.36 is: 13,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.43 : 25,582.91 = 10,040.36 : x
  2. Step 2: Convert to fraction form
    18,538.43/25,582.91 = 10,040.36/x
  3. Step 3: Cross multiply
    18,538.43x = 25,582.91 × 10,040.36
  4. Step 4: Simplify right side
    18,538.43x = 256,861,544.07
  5. Step 5: Solve for x
    x = 256,861,544.07/18,538.43
  6. Step 6: Final answer
    x = 13,855.63

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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.