Home / 9,186.90-13,786.02-4,255.62

Finding the Fourth Proportional to 9,186.90, 13,786.02 and 4,255.62

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Solution

The fourth proportional to 9,186.90, 13,786.02 and 4,255.62 is: 6,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.90 : 13,786.02 = 4,255.62 : x
  2. Step 2: Convert to fraction form
    9,186.90/13,786.02 = 4,255.62/x
  3. Step 3: Cross multiply
    9,186.90x = 13,786.02 × 4,255.62
  4. Step 4: Simplify right side
    9,186.90x = 58,668,062.43
  5. Step 5: Solve for x
    x = 58,668,062.43/9,186.90
  6. Step 6: Final answer
    x = 6,386.06

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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.