Home / 13,255.16-19,880.58-4,019

Finding the Fourth Proportional to 13,255.16, 19,880.58 and 4,019

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Solution

The fourth proportional to 13,255.16, 19,880.58 and 4,019 is: 6,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.16 : 19,880.58 = 4,019 : x
  2. Step 2: Convert to fraction form
    13,255.16/19,880.58 = 4,019/x
  3. Step 3: Cross multiply
    13,255.16x = 19,880.58 × 4,019
  4. Step 4: Simplify right side
    13,255.16x = 79,900,051.02
  5. Step 5: Solve for x
    x = 79,900,051.02/13,255.16
  6. Step 6: Final answer
    x = 6,027.85

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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.