Home / 12,433.90-17,157.25-7,398.34

Finding the Fourth Proportional to 12,433.90, 17,157.25 and 7,398.34

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Solution

The fourth proportional to 12,433.90, 17,157.25 and 7,398.34 is: 10,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.90 : 17,157.25 = 7,398.34 : x
  2. Step 2: Convert to fraction form
    12,433.90/17,157.25 = 7,398.34/x
  3. Step 3: Cross multiply
    12,433.90x = 17,157.25 × 7,398.34
  4. Step 4: Simplify right side
    12,433.90x = 126,935,168.97
  5. Step 5: Solve for x
    x = 126,935,168.97/12,433.90
  6. Step 6: Final answer
    x = 10,208.80

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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.