Home / 10,134.50-15,189.26-7,196.90

Finding the Fourth Proportional to 10,134.50, 15,189.26 and 7,196.90

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Solution

The fourth proportional to 10,134.50, 15,189.26 and 7,196.90 is: 10,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.50 : 15,189.26 = 7,196.90 : x
  2. Step 2: Convert to fraction form
    10,134.50/15,189.26 = 7,196.90/x
  3. Step 3: Cross multiply
    10,134.50x = 15,189.26 × 7,196.90
  4. Step 4: Simplify right side
    10,134.50x = 109,315,585.29
  5. Step 5: Solve for x
    x = 109,315,585.29/10,134.50
  6. Step 6: Final answer
    x = 10,786.48

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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.