Home / 9,294.21-12,824.87-5,517.45

Finding the Fourth Proportional to 9,294.21, 12,824.87 and 5,517.45

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Solution

The fourth proportional to 9,294.21, 12,824.87 and 5,517.45 is: 7,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294.21 : 12,824.87 = 5,517.45 : x
  2. Step 2: Convert to fraction form
    9,294.21/12,824.87 = 5,517.45/x
  3. Step 3: Cross multiply
    9,294.21x = 12,824.87 × 5,517.45
  4. Step 4: Simplify right side
    9,294.21x = 70,760,551.39
  5. Step 5: Solve for x
    x = 70,760,551.39/9,294.21
  6. Step 6: Final answer
    x = 7,613.40

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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.