Home / 17,112.80-23,613.12-10,394.88

Finding the Fourth Proportional to 17,112.80, 23,613.12 and 10,394.88

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Solution

The fourth proportional to 17,112.80, 23,613.12 and 10,394.88 is: 14,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.80 : 23,613.12 = 10,394.88 : x
  2. Step 2: Convert to fraction form
    17,112.80/23,613.12 = 10,394.88/x
  3. Step 3: Cross multiply
    17,112.80x = 23,613.12 × 10,394.88
  4. Step 4: Simplify right side
    17,112.80x = 245,455,548.83
  5. Step 5: Solve for x
    x = 245,455,548.83/17,112.80
  6. Step 6: Final answer
    x = 14,343.39

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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.