Home / 14,685.38-20,262.32-8,942.77

Finding the Fourth Proportional to 14,685.38, 20,262.32 and 8,942.77

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Solution

The fourth proportional to 14,685.38, 20,262.32 and 8,942.77 is: 12,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.38 : 20,262.32 = 8,942.77 : x
  2. Step 2: Convert to fraction form
    14,685.38/20,262.32 = 8,942.77/x
  3. Step 3: Cross multiply
    14,685.38x = 20,262.32 × 8,942.77
  4. Step 4: Simplify right side
    14,685.38x = 181,201,267.43
  5. Step 5: Solve for x
    x = 181,201,267.43/14,685.38
  6. Step 6: Final answer
    x = 12,338.89

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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.