Home / 9,515.55-13,144.01-7,304.75

Finding the Fourth Proportional to 9,515.55, 13,144.01 and 7,304.75

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Solution

The fourth proportional to 9,515.55, 13,144.01 and 7,304.75 is: 10,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.55 : 13,144.01 = 7,304.75 : x
  2. Step 2: Convert to fraction form
    9,515.55/13,144.01 = 7,304.75/x
  3. Step 3: Cross multiply
    9,515.55x = 13,144.01 × 7,304.75
  4. Step 4: Simplify right side
    9,515.55x = 96,013,707.05
  5. Step 5: Solve for x
    x = 96,013,707.05/9,515.55
  6. Step 6: Final answer
    x = 10,090.19

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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.