Home / 14,631.46-20,191.77-8,343.94

Finding the Fourth Proportional to 14,631.46, 20,191.77 and 8,343.94

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Solution

The fourth proportional to 14,631.46, 20,191.77 and 8,343.94 is: 11,514.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.46 : 20,191.77 = 8,343.94 : x
  2. Step 2: Convert to fraction form
    14,631.46/20,191.77 = 8,343.94/x
  3. Step 3: Cross multiply
    14,631.46x = 20,191.77 × 8,343.94
  4. Step 4: Simplify right side
    14,631.46x = 168,478,917.37
  5. Step 5: Solve for x
    x = 168,478,917.37/14,631.46
  6. Step 6: Final answer
    x = 11,514.84

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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.