Home / 13,039.90-19,559.88-3,179.16

Finding the Fourth Proportional to 13,039.90, 19,559.88 and 3,179.16

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Solution

The fourth proportional to 13,039.90, 19,559.88 and 3,179.16 is: 4,768.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.90 : 19,559.88 = 3,179.16 : x
  2. Step 2: Convert to fraction form
    13,039.90/19,559.88 = 3,179.16/x
  3. Step 3: Cross multiply
    13,039.90x = 19,559.88 × 3,179.16
  4. Step 4: Simplify right side
    13,039.90x = 62,183,988.10
  5. Step 5: Solve for x
    x = 62,183,988.10/13,039.90
  6. Step 6: Final answer
    x = 4,768.75

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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.