Home / 15,211.52-20,839.41-14,642.94

Finding the Fourth Proportional to 15,211.52, 20,839.41 and 14,642.94

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Solution

The fourth proportional to 15,211.52, 20,839.41 and 14,642.94 is: 20,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211.52 : 20,839.41 = 14,642.94 : x
  2. Step 2: Convert to fraction form
    15,211.52/20,839.41 = 14,642.94/x
  3. Step 3: Cross multiply
    15,211.52x = 20,839.41 × 14,642.94
  4. Step 4: Simplify right side
    15,211.52x = 305,150,230.27
  5. Step 5: Solve for x
    x = 305,150,230.27/15,211.52
  6. Step 6: Final answer
    x = 20,060.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.