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Finding the Fourth Proportional to 11,602.76, 17,381.46 and 5,741.60

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Solution

The fourth proportional to 11,602.76, 17,381.46 and 5,741.60 is: 8,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.76 : 17,381.46 = 5,741.60 : x
  2. Step 2: Convert to fraction form
    11,602.76/17,381.46 = 5,741.60/x
  3. Step 3: Cross multiply
    11,602.76x = 17,381.46 × 5,741.60
  4. Step 4: Simplify right side
    11,602.76x = 99,797,390.74
  5. Step 5: Solve for x
    x = 99,797,390.74/11,602.76
  6. Step 6: Final answer
    x = 8,601.18

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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.