Home / 9,609.89-13,261.65-5,418.14

Finding the Fourth Proportional to 9,609.89, 13,261.65 and 5,418.14

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Solution

The fourth proportional to 9,609.89, 13,261.65 and 5,418.14 is: 7,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,609.89 : 13,261.65 = 5,418.14 : x
  2. Step 2: Convert to fraction form
    9,609.89/13,261.65 = 5,418.14/x
  3. Step 3: Cross multiply
    9,609.89x = 13,261.65 × 5,418.14
  4. Step 4: Simplify right side
    9,609.89x = 71,853,476.33
  5. Step 5: Solve for x
    x = 71,853,476.33/9,609.89
  6. Step 6: Final answer
    x = 7,477.03

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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.