Home / 12,146.76-16,762.68-6,841.44

Finding the Fourth Proportional to 12,146.76, 16,762.68 and 6,841.44

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Solution

The fourth proportional to 12,146.76, 16,762.68 and 6,841.44 is: 9,441.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.76 : 16,762.68 = 6,841.44 : x
  2. Step 2: Convert to fraction form
    12,146.76/16,762.68 = 6,841.44/x
  3. Step 3: Cross multiply
    12,146.76x = 16,762.68 × 6,841.44
  4. Step 4: Simplify right side
    12,146.76x = 114,680,869.46
  5. Step 5: Solve for x
    x = 114,680,869.46/12,146.76
  6. Step 6: Final answer
    x = 9,441.27

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Half scale
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Double scale
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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.