Home / 11,675.60-17,513.40-6,426.80

Finding the Fourth Proportional to 11,675.60, 17,513.40 and 6,426.80

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Solution

The fourth proportional to 11,675.60, 17,513.40 and 6,426.80 is: 9,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.60 : 17,513.40 = 6,426.80 : x
  2. Step 2: Convert to fraction form
    11,675.60/17,513.40 = 6,426.80/x
  3. Step 3: Cross multiply
    11,675.60x = 17,513.40 × 6,426.80
  4. Step 4: Simplify right side
    11,675.60x = 112,555,119.12
  5. Step 5: Solve for x
    x = 112,555,119.12/11,675.60
  6. Step 6: Final answer
    x = 9,640.20

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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.