Home / 19,015.86-28,523.61-5,164.86

Finding the Fourth Proportional to 19,015.86, 28,523.61 and 5,164.86

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Solution

The fourth proportional to 19,015.86, 28,523.61 and 5,164.86 is: 7,747.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.86 : 28,523.61 = 5,164.86 : x
  2. Step 2: Convert to fraction form
    19,015.86/28,523.61 = 5,164.86/x
  3. Step 3: Cross multiply
    19,015.86x = 28,523.61 × 5,164.86
  4. Step 4: Simplify right side
    19,015.86x = 147,320,452.34
  5. Step 5: Solve for x
    x = 147,320,452.34/19,015.86
  6. Step 6: Final answer
    x = 7,747.24

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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.