Home / 9,329.32-12,874.44-5,137.66

Finding the Fourth Proportional to 9,329.32, 12,874.44 and 5,137.66

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Solution

The fourth proportional to 9,329.32, 12,874.44 and 5,137.66 is: 7,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.32 : 12,874.44 = 5,137.66 : x
  2. Step 2: Convert to fraction form
    9,329.32/12,874.44 = 5,137.66/x
  3. Step 3: Cross multiply
    9,329.32x = 12,874.44 × 5,137.66
  4. Step 4: Simplify right side
    9,329.32x = 66,144,495.41
  5. Step 5: Solve for x
    x = 66,144,495.41/9,329.32
  6. Step 6: Final answer
    x = 7,089.96

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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.