Home / 12,088.56-18,241.70-11,654.64

Finding the Fourth Proportional to 12,088.56, 18,241.70 and 11,654.64

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Solution

The fourth proportional to 12,088.56, 18,241.70 and 11,654.64 is: 17,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.56 : 18,241.70 = 11,654.64 : x
  2. Step 2: Convert to fraction form
    12,088.56/18,241.70 = 11,654.64/x
  3. Step 3: Cross multiply
    12,088.56x = 18,241.70 × 11,654.64
  4. Step 4: Simplify right side
    12,088.56x = 212,600,446.49
  5. Step 5: Solve for x
    x = 212,600,446.49/12,088.56
  6. Step 6: Final answer
    x = 17,586.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.