Home / 10,189.91-15,274.38-4,270.28

Finding the Fourth Proportional to 10,189.91, 15,274.38 and 4,270.28

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Solution

The fourth proportional to 10,189.91, 15,274.38 and 4,270.28 is: 6,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.91 : 15,274.38 = 4,270.28 : x
  2. Step 2: Convert to fraction form
    10,189.91/15,274.38 = 4,270.28/x
  3. Step 3: Cross multiply
    10,189.91x = 15,274.38 × 4,270.28
  4. Step 4: Simplify right side
    10,189.91x = 65,225,879.43
  5. Step 5: Solve for x
    x = 65,225,879.43/10,189.91
  6. Step 6: Final answer
    x = 6,401.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.