Home / 9,148.27-12,611.68-6,494.71

Finding the Fourth Proportional to 9,148.27, 12,611.68 and 6,494.71

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Solution

The fourth proportional to 9,148.27, 12,611.68 and 6,494.71 is: 8,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.27 : 12,611.68 = 6,494.71 : x
  2. Step 2: Convert to fraction form
    9,148.27/12,611.68 = 6,494.71/x
  3. Step 3: Cross multiply
    9,148.27x = 12,611.68 × 6,494.71
  4. Step 4: Simplify right side
    9,148.27x = 81,909,204.21
  5. Step 5: Solve for x
    x = 81,909,204.21/9,148.27
  6. Step 6: Final answer
    x = 8,953.52

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Similar ratio
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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.