Home / 13,132.55-19,707.03-8,753.09

Finding the Fourth Proportional to 13,132.55, 19,707.03 and 8,753.09

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Solution

The fourth proportional to 13,132.55, 19,707.03 and 8,753.09 is: 13,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.55 : 19,707.03 = 8,753.09 : x
  2. Step 2: Convert to fraction form
    13,132.55/19,707.03 = 8,753.09/x
  3. Step 3: Cross multiply
    13,132.55x = 19,707.03 × 8,753.09
  4. Step 4: Simplify right side
    13,132.55x = 172,497,308.69
  5. Step 5: Solve for x
    x = 172,497,308.69/13,132.55
  6. Step 6: Final answer
    x = 13,135.09

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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.