Home / 13,935.65-19,229.92-8,269.42

Finding the Fourth Proportional to 13,935.65, 19,229.92 and 8,269.42

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Solution

The fourth proportional to 13,935.65, 19,229.92 and 8,269.42 is: 11,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.65 : 19,229.92 = 8,269.42 : x
  2. Step 2: Convert to fraction form
    13,935.65/19,229.92 = 8,269.42/x
  3. Step 3: Cross multiply
    13,935.65x = 19,229.92 × 8,269.42
  4. Step 4: Simplify right side
    13,935.65x = 159,020,216.30
  5. Step 5: Solve for x
    x = 159,020,216.30/13,935.65
  6. Step 6: Final answer
    x = 11,411.03

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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.