Home / 18,147.44-25,043.28-10,189.48

Finding the Fourth Proportional to 18,147.44, 25,043.28 and 10,189.48

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Solution

The fourth proportional to 18,147.44, 25,043.28 and 10,189.48 is: 14,061.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.44 : 25,043.28 = 10,189.48 : x
  2. Step 2: Convert to fraction form
    18,147.44/25,043.28 = 10,189.48/x
  3. Step 3: Cross multiply
    18,147.44x = 25,043.28 × 10,189.48
  4. Step 4: Simplify right side
    18,147.44x = 255,178,000.69
  5. Step 5: Solve for x
    x = 255,178,000.69/18,147.44
  6. Step 6: Final answer
    x = 14,061.38

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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.