Home / 16,631.21-22,950.50-9,913.38

Finding the Fourth Proportional to 16,631.21, 22,950.50 and 9,913.38

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Solution

The fourth proportional to 16,631.21, 22,950.50 and 9,913.38 is: 13,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.21 : 22,950.50 = 9,913.38 : x
  2. Step 2: Convert to fraction form
    16,631.21/22,950.50 = 9,913.38/x
  3. Step 3: Cross multiply
    16,631.21x = 22,950.50 × 9,913.38
  4. Step 4: Simplify right side
    16,631.21x = 227,516,912.94
  5. Step 5: Solve for x
    x = 227,516,912.94/16,631.21
  6. Step 6: Final answer
    x = 13,680.12

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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.