Home / 14,839.09-20,477.16-8,123.43

Finding the Fourth Proportional to 14,839.09, 20,477.16 and 8,123.43

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Solution

The fourth proportional to 14,839.09, 20,477.16 and 8,123.43 is: 11,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.09 : 20,477.16 = 8,123.43 : x
  2. Step 2: Convert to fraction form
    14,839.09/20,477.16 = 8,123.43/x
  3. Step 3: Cross multiply
    14,839.09x = 20,477.16 × 8,123.43
  4. Step 4: Simplify right side
    14,839.09x = 166,344,632.86
  5. Step 5: Solve for x
    x = 166,344,632.86/14,839.09
  6. Step 6: Final answer
    x = 11,209.90

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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.