Home / 9,327.22-12,867.47-6,136.41

Finding the Fourth Proportional to 9,327.22, 12,867.47 and 6,136.41

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Solution

The fourth proportional to 9,327.22, 12,867.47 and 6,136.41 is: 8,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.22 : 12,867.47 = 6,136.41 : x
  2. Step 2: Convert to fraction form
    9,327.22/12,867.47 = 6,136.41/x
  3. Step 3: Cross multiply
    9,327.22x = 12,867.47 × 6,136.41
  4. Step 4: Simplify right side
    9,327.22x = 78,960,071.58
  5. Step 5: Solve for x
    x = 78,960,071.58/9,327.22
  6. Step 6: Final answer
    x = 8,465.56

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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.