Home / 12,886.17-19,336.70-6,963.08

Finding the Fourth Proportional to 12,886.17, 19,336.70 and 6,963.08

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Solution

The fourth proportional to 12,886.17, 19,336.70 and 6,963.08 is: 10,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.17 : 19,336.70 = 6,963.08 : x
  2. Step 2: Convert to fraction form
    12,886.17/19,336.70 = 6,963.08/x
  3. Step 3: Cross multiply
    12,886.17x = 19,336.70 × 6,963.08
  4. Step 4: Simplify right side
    12,886.17x = 134,642,857.54
  5. Step 5: Solve for x
    x = 134,642,857.54/12,886.17
  6. Step 6: Final answer
    x = 10,448.63

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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.