Home / 10,233.96-15,347.67-3,992.45

Finding the Fourth Proportional to 10,233.96, 15,347.67 and 3,992.45

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Solution

The fourth proportional to 10,233.96, 15,347.67 and 3,992.45 is: 5,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.96 : 15,347.67 = 3,992.45 : x
  2. Step 2: Convert to fraction form
    10,233.96/15,347.67 = 3,992.45/x
  3. Step 3: Cross multiply
    10,233.96x = 15,347.67 × 3,992.45
  4. Step 4: Simplify right side
    10,233.96x = 61,274,805.09
  5. Step 5: Solve for x
    x = 61,274,805.09/10,233.96
  6. Step 6: Final answer
    x = 5,987.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.