Home / 13,181.10-19,765.88-3,944.94

Finding the Fourth Proportional to 13,181.10, 19,765.88 and 3,944.94

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Solution

The fourth proportional to 13,181.10, 19,765.88 and 3,944.94 is: 5,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.10 : 19,765.88 = 3,944.94 : x
  2. Step 2: Convert to fraction form
    13,181.10/19,765.88 = 3,944.94/x
  3. Step 3: Cross multiply
    13,181.10x = 19,765.88 × 3,944.94
  4. Step 4: Simplify right side
    13,181.10x = 77,975,210.65
  5. Step 5: Solve for x
    x = 77,975,210.65/13,181.10
  6. Step 6: Final answer
    x = 5,915.68

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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.