Home / 10,132.68-15,204.37-7,190.14

Finding the Fourth Proportional to 10,132.68, 15,204.37 and 7,190.14

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Solution

The fourth proportional to 10,132.68, 15,204.37 and 7,190.14 is: 10,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.68 : 15,204.37 = 7,190.14 : x
  2. Step 2: Convert to fraction form
    10,132.68/15,204.37 = 7,190.14/x
  3. Step 3: Cross multiply
    10,132.68x = 15,204.37 × 7,190.14
  4. Step 4: Simplify right side
    10,132.68x = 109,321,548.91
  5. Step 5: Solve for x
    x = 109,321,548.91/10,132.68
  6. Step 6: Final answer
    x = 10,789.01

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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.