Home / 12,707.27-17,536.67-7,042.64

Finding the Fourth Proportional to 12,707.27, 17,536.67 and 7,042.64

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Solution

The fourth proportional to 12,707.27, 17,536.67 and 7,042.64 is: 9,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,707.27 : 17,536.67 = 7,042.64 : x
  2. Step 2: Convert to fraction form
    12,707.27/17,536.67 = 7,042.64/x
  3. Step 3: Cross multiply
    12,707.27x = 17,536.67 × 7,042.64
  4. Step 4: Simplify right side
    12,707.27x = 123,504,330.71
  5. Step 5: Solve for x
    x = 123,504,330.71/12,707.27
  6. Step 6: Final answer
    x = 9,719.19

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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.