Home / 13,112.20-19,675.50-6,186.52

Finding the Fourth Proportional to 13,112.20, 19,675.50 and 6,186.52

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Solution

The fourth proportional to 13,112.20, 19,675.50 and 6,186.52 is: 9,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.20 : 19,675.50 = 6,186.52 : x
  2. Step 2: Convert to fraction form
    13,112.20/19,675.50 = 6,186.52/x
  3. Step 3: Cross multiply
    13,112.20x = 19,675.50 × 6,186.52
  4. Step 4: Simplify right side
    13,112.20x = 121,722,874.26
  5. Step 5: Solve for x
    x = 121,722,874.26/13,112.20
  6. Step 6: Final answer
    x = 9,283.18

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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.