Home / 14,286.72-21,382.08-13,741.44

Finding the Fourth Proportional to 14,286.72, 21,382.08 and 13,741.44

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Solution

The fourth proportional to 14,286.72, 21,382.08 and 13,741.44 is: 20,565.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.72 : 21,382.08 = 13,741.44 : x
  2. Step 2: Convert to fraction form
    14,286.72/21,382.08 = 13,741.44/x
  3. Step 3: Cross multiply
    14,286.72x = 21,382.08 × 13,741.44
  4. Step 4: Simplify right side
    14,286.72x = 293,820,569.40
  5. Step 5: Solve for x
    x = 293,820,569.40/14,286.72
  6. Step 6: Final answer
    x = 20,565.99

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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.