Home / 13,286.65-19,911.33-7,366.27

Finding the Fourth Proportional to 13,286.65, 19,911.33 and 7,366.27

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Solution

The fourth proportional to 13,286.65, 19,911.33 and 7,366.27 is: 11,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.65 : 19,911.33 = 7,366.27 : x
  2. Step 2: Convert to fraction form
    13,286.65/19,911.33 = 7,366.27/x
  3. Step 3: Cross multiply
    13,286.65x = 19,911.33 × 7,366.27
  4. Step 4: Simplify right side
    13,286.65x = 146,672,232.84
  5. Step 5: Solve for x
    x = 146,672,232.84/13,286.65
  6. Step 6: Final answer
    x = 11,039.07

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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.