Home / 14,184.30-21,286.08-4,950.30

Finding the Fourth Proportional to 14,184.30, 21,286.08 and 4,950.30

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Solution

The fourth proportional to 14,184.30, 21,286.08 and 4,950.30 is: 7,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.30 : 21,286.08 = 4,950.30 : x
  2. Step 2: Convert to fraction form
    14,184.30/21,286.08 = 4,950.30/x
  3. Step 3: Cross multiply
    14,184.30x = 21,286.08 × 4,950.30
  4. Step 4: Simplify right side
    14,184.30x = 105,372,481.82
  5. Step 5: Solve for x
    x = 105,372,481.82/14,184.30
  6. Step 6: Final answer
    x = 7,428.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.