Home / 11,505.61-17,258.45-3,500.45

Finding the Fourth Proportional to 11,505.61, 17,258.45 and 3,500.45

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Solution

The fourth proportional to 11,505.61, 17,258.45 and 3,500.45 is: 5,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.61 : 17,258.45 = 3,500.45 : x
  2. Step 2: Convert to fraction form
    11,505.61/17,258.45 = 3,500.45/x
  3. Step 3: Cross multiply
    11,505.61x = 17,258.45 × 3,500.45
  4. Step 4: Simplify right side
    11,505.61x = 60,412,323.80
  5. Step 5: Solve for x
    x = 60,412,323.80/11,505.61
  6. Step 6: Final answer
    x = 5,250.68

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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.