Home / 19,455.76-29,173.56-11,561.68

Finding the Fourth Proportional to 19,455.76, 29,173.56 and 11,561.68

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Solution

The fourth proportional to 19,455.76, 29,173.56 and 11,561.68 is: 17,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.76 : 29,173.56 = 11,561.68 : x
  2. Step 2: Convert to fraction form
    19,455.76/29,173.56 = 11,561.68/x
  3. Step 3: Cross multiply
    19,455.76x = 29,173.56 × 11,561.68
  4. Step 4: Simplify right side
    19,455.76x = 337,295,365.18
  5. Step 5: Solve for x
    x = 337,295,365.18/19,455.76
  6. Step 6: Final answer
    x = 17,336.53

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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.