Home / 19,923.27-27,479.96-13,109.04

Finding the Fourth Proportional to 19,923.27, 27,479.96 and 13,109.04

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Solution

The fourth proportional to 19,923.27, 27,479.96 and 13,109.04 is: 18,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.27 : 27,479.96 = 13,109.04 : x
  2. Step 2: Convert to fraction form
    19,923.27/27,479.96 = 13,109.04/x
  3. Step 3: Cross multiply
    19,923.27x = 27,479.96 × 13,109.04
  4. Step 4: Simplify right side
    19,923.27x = 360,235,878.45
  5. Step 5: Solve for x
    x = 360,235,878.45/19,923.27
  6. Step 6: Final answer
    x = 18,081.17

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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.