Home / 11,403.45-17,105.00-9,451.53

Finding the Fourth Proportional to 11,403.45, 17,105.00 and 9,451.53

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Solution

The fourth proportional to 11,403.45, 17,105.00 and 9,451.53 is: 14,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.45 : 17,105.00 = 9,451.53 : x
  2. Step 2: Convert to fraction form
    11,403.45/17,105.00 = 9,451.53/x
  3. Step 3: Cross multiply
    11,403.45x = 17,105.00 × 9,451.53
  4. Step 4: Simplify right side
    11,403.45x = 161,668,373.39
  5. Step 5: Solve for x
    x = 161,668,373.39/11,403.45
  6. Step 6: Final answer
    x = 14,177.15

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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.