Home / 20,614.05-30,923.52-7,284.28

Finding the Fourth Proportional to 20,614.05, 30,923.52 and 7,284.28

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Solution

The fourth proportional to 20,614.05, 30,923.52 and 7,284.28 is: 10,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.05 : 30,923.52 = 7,284.28 : x
  2. Step 2: Convert to fraction form
    20,614.05/30,923.52 = 7,284.28/x
  3. Step 3: Cross multiply
    20,614.05x = 30,923.52 × 7,284.28
  4. Step 4: Simplify right side
    20,614.05x = 225,255,578.27
  5. Step 5: Solve for x
    x = 225,255,578.27/20,614.05
  6. Step 6: Final answer
    x = 10,927.28

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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.