Home / 15,176.82-20,933.16-12,344.28

Finding the Fourth Proportional to 15,176.82, 20,933.16 and 12,344.28

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Solution

The fourth proportional to 15,176.82, 20,933.16 and 12,344.28 is: 17,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.82 : 20,933.16 = 12,344.28 : x
  2. Step 2: Convert to fraction form
    15,176.82/20,933.16 = 12,344.28/x
  3. Step 3: Cross multiply
    15,176.82x = 20,933.16 × 12,344.28
  4. Step 4: Simplify right side
    15,176.82x = 258,404,788.32
  5. Step 5: Solve for x
    x = 258,404,788.32/15,176.82
  6. Step 6: Final answer
    x = 17,026.28

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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.