Home / 18,949.42-28,425.75-7,256.26

Finding the Fourth Proportional to 18,949.42, 28,425.75 and 7,256.26

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Solution

The fourth proportional to 18,949.42, 28,425.75 and 7,256.26 is: 10,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.42 : 28,425.75 = 7,256.26 : x
  2. Step 2: Convert to fraction form
    18,949.42/28,425.75 = 7,256.26/x
  3. Step 3: Cross multiply
    18,949.42x = 28,425.75 × 7,256.26
  4. Step 4: Simplify right side
    18,949.42x = 206,264,632.70
  5. Step 5: Solve for x
    x = 206,264,632.70/18,949.42
  6. Step 6: Final answer
    x = 10,885.01

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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.