Home / 9,209.03-12,695.09-6,372.08

Finding the Fourth Proportional to 9,209.03, 12,695.09 and 6,372.08

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Solution

The fourth proportional to 9,209.03, 12,695.09 and 6,372.08 is: 8,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.03 : 12,695.09 = 6,372.08 : x
  2. Step 2: Convert to fraction form
    9,209.03/12,695.09 = 6,372.08/x
  3. Step 3: Cross multiply
    9,209.03x = 12,695.09 × 6,372.08
  4. Step 4: Simplify right side
    9,209.03x = 80,894,129.09
  5. Step 5: Solve for x
    x = 80,894,129.09/9,209.03
  6. Step 6: Final answer
    x = 8,784.22

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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.