Home / 12,412.82-17,123.85-7,104.62

Finding the Fourth Proportional to 12,412.82, 17,123.85 and 7,104.62

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Solution

The fourth proportional to 12,412.82, 17,123.85 and 7,104.62 is: 9,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412.82 : 17,123.85 = 7,104.62 : x
  2. Step 2: Convert to fraction form
    12,412.82/17,123.85 = 7,104.62/x
  3. Step 3: Cross multiply
    12,412.82x = 17,123.85 × 7,104.62
  4. Step 4: Simplify right side
    12,412.82x = 121,658,447.19
  5. Step 5: Solve for x
    x = 121,658,447.19/12,412.82
  6. Step 6: Final answer
    x = 9,801.03

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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.