Home / 65,261.09-97,892.55-18,513.97

Finding the Fourth Proportional to 65,261.09, 97,892.55 and 18,513.97

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Solution

The fourth proportional to 65,261.09, 97,892.55 and 18,513.97 is: 27,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,261.09 : 97,892.55 = 18,513.97 : x
  2. Step 2: Convert to fraction form
    65,261.09/97,892.55 = 18,513.97/x
  3. Step 3: Cross multiply
    65,261.09x = 97,892.55 × 18,513.97
  4. Step 4: Simplify right side
    65,261.09x = 1,812,379,489.19
  5. Step 5: Solve for x
    x = 1,812,379,489.19/65,261.09
  6. Step 6: Final answer
    x = 27,771.21

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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.