Home / 9,615.10-13,266.57-5,422.54

Finding the Fourth Proportional to 9,615.10, 13,266.57 and 5,422.54

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Solution

The fourth proportional to 9,615.10, 13,266.57 and 5,422.54 is: 7,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.10 : 13,266.57 = 5,422.54 : x
  2. Step 2: Convert to fraction form
    9,615.10/13,266.57 = 5,422.54/x
  3. Step 3: Cross multiply
    9,615.10x = 13,266.57 × 5,422.54
  4. Step 4: Simplify right side
    9,615.10x = 71,938,506.49
  5. Step 5: Solve for x
    x = 71,938,506.49/9,615.10
  6. Step 6: Final answer
    x = 7,481.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.