Home / 9,538.08-13,154.04-6,902.88

Finding the Fourth Proportional to 9,538.08, 13,154.04 and 6,902.88

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Solution

The fourth proportional to 9,538.08, 13,154.04 and 6,902.88 is: 9,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.08 : 13,154.04 = 6,902.88 : x
  2. Step 2: Convert to fraction form
    9,538.08/13,154.04 = 6,902.88/x
  3. Step 3: Cross multiply
    9,538.08x = 13,154.04 × 6,902.88
  4. Step 4: Simplify right side
    9,538.08x = 90,800,759.64
  5. Step 5: Solve for x
    x = 90,800,759.64/9,538.08
  6. Step 6: Final answer
    x = 9,519.82

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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.