Home / 14,382.81-21,473.33-12,169.08

Finding the Fourth Proportional to 14,382.81, 21,473.33 and 12,169.08

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Solution

The fourth proportional to 14,382.81, 21,473.33 and 12,169.08 is: 18,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.81 : 21,473.33 = 12,169.08 : x
  2. Step 2: Convert to fraction form
    14,382.81/21,473.33 = 12,169.08/x
  3. Step 3: Cross multiply
    14,382.81x = 21,473.33 × 12,169.08
  4. Step 4: Simplify right side
    14,382.81x = 261,310,609.79
  5. Step 5: Solve for x
    x = 261,310,609.79/14,382.81
  6. Step 6: Final answer
    x = 18,168.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.