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Finding the Fourth Proportional to 11,335.95, 17,003.93 and 10,601.55

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Solution

The fourth proportional to 11,335.95, 17,003.93 and 10,601.55 is: 15,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.95 : 17,003.93 = 10,601.55 : x
  2. Step 2: Convert to fraction form
    11,335.95/17,003.93 = 10,601.55/x
  3. Step 3: Cross multiply
    11,335.95x = 17,003.93 × 10,601.55
  4. Step 4: Simplify right side
    11,335.95x = 180,267,961.08
  5. Step 5: Solve for x
    x = 180,267,961.08/11,335.95
  6. Step 6: Final answer
    x = 15,902.33

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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.