Home / 14,164.65-19,535.31-11,931.75

Finding the Fourth Proportional to 14,164.65, 19,535.31 and 11,931.75

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Solution

The fourth proportional to 14,164.65, 19,535.31 and 11,931.75 is: 16,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.65 : 19,535.31 = 11,931.75 : x
  2. Step 2: Convert to fraction form
    14,164.65/19,535.31 = 11,931.75/x
  3. Step 3: Cross multiply
    14,164.65x = 19,535.31 × 11,931.75
  4. Step 4: Simplify right side
    14,164.65x = 233,090,435.09
  5. Step 5: Solve for x
    x = 233,090,435.09/14,164.65
  6. Step 6: Final answer
    x = 16,455.79

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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.