Home / 12,678.07-17,495.22-6,935.43

Finding the Fourth Proportional to 12,678.07, 17,495.22 and 6,935.43

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Solution

The fourth proportional to 12,678.07, 17,495.22 and 6,935.43 is: 9,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,678.07 : 17,495.22 = 6,935.43 : x
  2. Step 2: Convert to fraction form
    12,678.07/17,495.22 = 6,935.43/x
  3. Step 3: Cross multiply
    12,678.07x = 17,495.22 × 6,935.43
  4. Step 4: Simplify right side
    12,678.07x = 121,336,873.64
  5. Step 5: Solve for x
    x = 121,336,873.64/12,678.07
  6. Step 6: Final answer
    x = 9,570.61

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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.