Home / 12,634.40-17,433.96-7,045.04

Finding the Fourth Proportional to 12,634.40, 17,433.96 and 7,045.04

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Solution

The fourth proportional to 12,634.40, 17,433.96 and 7,045.04 is: 9,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.40 : 17,433.96 = 7,045.04 : x
  2. Step 2: Convert to fraction form
    12,634.40/17,433.96 = 7,045.04/x
  3. Step 3: Cross multiply
    12,634.40x = 17,433.96 × 7,045.04
  4. Step 4: Simplify right side
    12,634.40x = 122,822,945.56
  5. Step 5: Solve for x
    x = 122,822,945.56/12,634.40
  6. Step 6: Final answer
    x = 9,721.31

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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.