Home / 13,975.70-19,286.16-8,010.89

Finding the Fourth Proportional to 13,975.70, 19,286.16 and 8,010.89

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Solution

The fourth proportional to 13,975.70, 19,286.16 and 8,010.89 is: 11,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.70 : 19,286.16 = 8,010.89 : x
  2. Step 2: Convert to fraction form
    13,975.70/19,286.16 = 8,010.89/x
  3. Step 3: Cross multiply
    13,975.70x = 19,286.16 × 8,010.89
  4. Step 4: Simplify right side
    13,975.70x = 154,499,306.28
  5. Step 5: Solve for x
    x = 154,499,306.28/13,975.70
  6. Step 6: Final answer
    x = 11,054.85

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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.