Home / 13,077.90-19,616.66-3,217.26

Finding the Fourth Proportional to 13,077.90, 19,616.66 and 3,217.26

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Solution

The fourth proportional to 13,077.90, 19,616.66 and 3,217.26 is: 4,825.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.90 : 19,616.66 = 3,217.26 : x
  2. Step 2: Convert to fraction form
    13,077.90/19,616.66 = 3,217.26/x
  3. Step 3: Cross multiply
    13,077.90x = 19,616.66 × 3,217.26
  4. Step 4: Simplify right side
    13,077.90x = 63,111,895.55
  5. Step 5: Solve for x
    x = 63,111,895.55/13,077.90
  6. Step 6: Final answer
    x = 4,825.84

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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.