Home / 14,738.76-20,339.01-8,365.86

Finding the Fourth Proportional to 14,738.76, 20,339.01 and 8,365.86

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Solution

The fourth proportional to 14,738.76, 20,339.01 and 8,365.86 is: 11,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.76 : 20,339.01 = 8,365.86 : x
  2. Step 2: Convert to fraction form
    14,738.76/20,339.01 = 8,365.86/x
  3. Step 3: Cross multiply
    14,738.76x = 20,339.01 × 8,365.86
  4. Step 4: Simplify right side
    14,738.76x = 170,153,310.20
  5. Step 5: Solve for x
    x = 170,153,310.20/14,738.76
  6. Step 6: Final answer
    x = 11,544.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.