Home / 19,628.29-27,089.64-11,674.90

Finding the Fourth Proportional to 19,628.29, 27,089.64 and 11,674.90

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Solution

The fourth proportional to 19,628.29, 27,089.64 and 11,674.90 is: 16,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.29 : 27,089.64 = 11,674.90 : x
  2. Step 2: Convert to fraction form
    19,628.29/27,089.64 = 11,674.90/x
  3. Step 3: Cross multiply
    19,628.29x = 27,089.64 × 11,674.90
  4. Step 4: Simplify right side
    19,628.29x = 316,268,838.04
  5. Step 5: Solve for x
    x = 316,268,838.04/19,628.29
  6. Step 6: Final answer
    x = 16,112.91

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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.