Home / 9,157.20-12,636.24-6,177.08

Finding the Fourth Proportional to 9,157.20, 12,636.24 and 6,177.08

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Solution

The fourth proportional to 9,157.20, 12,636.24 and 6,177.08 is: 8,523.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.20 : 12,636.24 = 6,177.08 : x
  2. Step 2: Convert to fraction form
    9,157.20/12,636.24 = 6,177.08/x
  3. Step 3: Cross multiply
    9,157.20x = 12,636.24 × 6,177.08
  4. Step 4: Simplify right side
    9,157.20x = 78,055,002.20
  5. Step 5: Solve for x
    x = 78,055,002.20/9,157.20
  6. Step 6: Final answer
    x = 8,523.89

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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.