Home / 13,027.90-19,536.56-4,140.18

Finding the Fourth Proportional to 13,027.90, 19,536.56 and 4,140.18

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Solution

The fourth proportional to 13,027.90, 19,536.56 and 4,140.18 is: 6,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.90 : 19,536.56 = 4,140.18 : x
  2. Step 2: Convert to fraction form
    13,027.90/19,536.56 = 4,140.18/x
  3. Step 3: Cross multiply
    13,027.90x = 19,536.56 × 4,140.18
  4. Step 4: Simplify right side
    13,027.90x = 80,884,874.98
  5. Step 5: Solve for x
    x = 80,884,874.98/13,027.90
  6. Step 6: Final answer
    x = 6,208.59

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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.