Home / 15,204.96-20,965.50-12,364.56

Finding the Fourth Proportional to 15,204.96, 20,965.50 and 12,364.56

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Solution

The fourth proportional to 15,204.96, 20,965.50 and 12,364.56 is: 17,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204.96 : 20,965.50 = 12,364.56 : x
  2. Step 2: Convert to fraction form
    15,204.96/20,965.50 = 12,364.56/x
  3. Step 3: Cross multiply
    15,204.96x = 20,965.50 × 12,364.56
  4. Step 4: Simplify right side
    15,204.96x = 259,229,182.68
  5. Step 5: Solve for x
    x = 259,229,182.68/15,204.96
  6. Step 6: Final answer
    x = 17,048.99

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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.