Home / 18,532.34-25,578.58-11,816.42

Finding the Fourth Proportional to 18,532.34, 25,578.58 and 11,816.42

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Solution

The fourth proportional to 18,532.34, 25,578.58 and 11,816.42 is: 16,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.34 : 25,578.58 = 11,816.42 : x
  2. Step 2: Convert to fraction form
    18,532.34/25,578.58 = 11,816.42/x
  3. Step 3: Cross multiply
    18,532.34x = 25,578.58 × 11,816.42
  4. Step 4: Simplify right side
    18,532.34x = 302,247,244.28
  5. Step 5: Solve for x
    x = 302,247,244.28/18,532.34
  6. Step 6: Final answer
    x = 16,309.18

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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.