Home / 20,237.64-30,349.17-8,551.77

Finding the Fourth Proportional to 20,237.64, 30,349.17 and 8,551.77

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Solution

The fourth proportional to 20,237.64, 30,349.17 and 8,551.77 is: 12,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.64 : 30,349.17 = 8,551.77 : x
  2. Step 2: Convert to fraction form
    20,237.64/30,349.17 = 8,551.77/x
  3. Step 3: Cross multiply
    20,237.64x = 30,349.17 × 8,551.77
  4. Step 4: Simplify right side
    20,237.64x = 259,539,121.53
  5. Step 5: Solve for x
    x = 259,539,121.53/20,237.64
  6. Step 6: Final answer
    x = 12,824.57

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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.