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Finding the Fourth Proportional to 17,663.77, 24,365.86 and 11,028.25

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Solution

The fourth proportional to 17,663.77, 24,365.86 and 11,028.25 is: 15,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,663.77 : 24,365.86 = 11,028.25 : x
  2. Step 2: Convert to fraction form
    17,663.77/24,365.86 = 11,028.25/x
  3. Step 3: Cross multiply
    17,663.77x = 24,365.86 × 11,028.25
  4. Step 4: Simplify right side
    17,663.77x = 268,712,795.55
  5. Step 5: Solve for x
    x = 268,712,795.55/17,663.77
  6. Step 6: Final answer
    x = 15,212.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.