Home / 20,256.86-30,364.43-7,773.56

Finding the Fourth Proportional to 20,256.86, 30,364.43 and 7,773.56

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Solution

The fourth proportional to 20,256.86, 30,364.43 and 7,773.56 is: 11,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.86 : 30,364.43 = 7,773.56 : x
  2. Step 2: Convert to fraction form
    20,256.86/30,364.43 = 7,773.56/x
  3. Step 3: Cross multiply
    20,256.86x = 30,364.43 × 7,773.56
  4. Step 4: Simplify right side
    20,256.86x = 236,039,586.08
  5. Step 5: Solve for x
    x = 236,039,586.08/20,256.86
  6. Step 6: Final answer
    x = 11,652.33

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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.