Home / 12,584.40-17,364.96-6,918.22

Finding the Fourth Proportional to 12,584.40, 17,364.96 and 6,918.22

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Solution

The fourth proportional to 12,584.40, 17,364.96 and 6,918.22 is: 9,546.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.40 : 17,364.96 = 6,918.22 : x
  2. Step 2: Convert to fraction form
    12,584.40/17,364.96 = 6,918.22/x
  3. Step 3: Cross multiply
    12,584.40x = 17,364.96 × 6,918.22
  4. Step 4: Simplify right side
    12,584.40x = 120,134,526.75
  5. Step 5: Solve for x
    x = 120,134,526.75/12,584.40
  6. Step 6: Final answer
    x = 9,546.31

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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.