Home / 9,409.08-12,984.12-5,217.24

Finding the Fourth Proportional to 9,409.08, 12,984.12 and 5,217.24

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Solution

The fourth proportional to 9,409.08, 12,984.12 and 5,217.24 is: 7,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409.08 : 12,984.12 = 5,217.24 : x
  2. Step 2: Convert to fraction form
    9,409.08/12,984.12 = 5,217.24/x
  3. Step 3: Cross multiply
    9,409.08x = 12,984.12 × 5,217.24
  4. Step 4: Simplify right side
    9,409.08x = 67,741,270.23
  5. Step 5: Solve for x
    x = 67,741,270.23/9,409.08
  6. Step 6: Final answer
    x = 7,199.56

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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.