Home / 14,849.64-20,438.28-11,855.88

Finding the Fourth Proportional to 14,849.64, 20,438.28 and 11,855.88

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Solution

The fourth proportional to 14,849.64, 20,438.28 and 11,855.88 is: 16,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.64 : 20,438.28 = 11,855.88 : x
  2. Step 2: Convert to fraction form
    14,849.64/20,438.28 = 11,855.88/x
  3. Step 3: Cross multiply
    14,849.64x = 20,438.28 × 11,855.88
  4. Step 4: Simplify right side
    14,849.64x = 242,313,795.09
  5. Step 5: Solve for x
    x = 242,313,795.09/14,849.64
  6. Step 6: Final answer
    x = 16,317.82

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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.