Home / 15,159.54-20,768.67-14,591.38

Finding the Fourth Proportional to 15,159.54, 20,768.67 and 14,591.38

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Solution

The fourth proportional to 15,159.54, 20,768.67 and 14,591.38 is: 19,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159.54 : 20,768.67 = 14,591.38 : x
  2. Step 2: Convert to fraction form
    15,159.54/20,768.67 = 14,591.38/x
  3. Step 3: Cross multiply
    15,159.54x = 20,768.67 × 14,591.38
  4. Step 4: Simplify right side
    15,159.54x = 303,043,504.14
  5. Step 5: Solve for x
    x = 303,043,504.14/15,159.54
  6. Step 6: Final answer
    x = 19,990.28

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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.