Home / 12,696.39-19,056.87-6,127.20

Finding the Fourth Proportional to 12,696.39, 19,056.87 and 6,127.20

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Solution

The fourth proportional to 12,696.39, 19,056.87 and 6,127.20 is: 9,196.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696.39 : 19,056.87 = 6,127.20 : x
  2. Step 2: Convert to fraction form
    12,696.39/19,056.87 = 6,127.20/x
  3. Step 3: Cross multiply
    12,696.39x = 19,056.87 × 6,127.20
  4. Step 4: Simplify right side
    12,696.39x = 116,765,253.86
  5. Step 5: Solve for x
    x = 116,765,253.86/12,696.39
  6. Step 6: Final answer
    x = 9,196.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.