Home / 9,266.76-13,901.56-3,112.20

Finding the Fourth Proportional to 9,266.76, 13,901.56 and 3,112.20

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Solution

The fourth proportional to 9,266.76, 13,901.56 and 3,112.20 is: 4,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266.76 : 13,901.56 = 3,112.20 : x
  2. Step 2: Convert to fraction form
    9,266.76/13,901.56 = 3,112.20/x
  3. Step 3: Cross multiply
    9,266.76x = 13,901.56 × 3,112.20
  4. Step 4: Simplify right side
    9,266.76x = 43,264,435.03
  5. Step 5: Solve for x
    x = 43,264,435.03/9,266.76
  6. Step 6: Final answer
    x = 4,668.78

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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.