Home / 18,787.46-25,926.72-10,173.72

Finding the Fourth Proportional to 18,787.46, 25,926.72 and 10,173.72

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Solution

The fourth proportional to 18,787.46, 25,926.72 and 10,173.72 is: 14,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.46 : 25,926.72 = 10,173.72 : x
  2. Step 2: Convert to fraction form
    18,787.46/25,926.72 = 10,173.72/x
  3. Step 3: Cross multiply
    18,787.46x = 25,926.72 × 10,173.72
  4. Step 4: Simplify right side
    18,787.46x = 263,771,189.80
  5. Step 5: Solve for x
    x = 263,771,189.80/18,787.46
  6. Step 6: Final answer
    x = 14,039.75

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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.