Home / 18,381.41-27,513.58-14,641.64

Finding the Fourth Proportional to 18,381.41, 27,513.58 and 14,641.64

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Solution

The fourth proportional to 18,381.41, 27,513.58 and 14,641.64 is: 21,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.41 : 27,513.58 = 14,641.64 : x
  2. Step 2: Convert to fraction form
    18,381.41/27,513.58 = 14,641.64/x
  3. Step 3: Cross multiply
    18,381.41x = 27,513.58 × 14,641.64
  4. Step 4: Simplify right side
    18,381.41x = 402,843,933.47
  5. Step 5: Solve for x
    x = 402,843,933.47/18,381.41
  6. Step 6: Final answer
    x = 21,915.83

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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.