Home / 11,441.08-17,130.41-8,659.34

Finding the Fourth Proportional to 11,441.08, 17,130.41 and 8,659.34

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Solution

The fourth proportional to 11,441.08, 17,130.41 and 8,659.34 is: 12,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,441.08 : 17,130.41 = 8,659.34 : x
  2. Step 2: Convert to fraction form
    11,441.08/17,130.41 = 8,659.34/x
  3. Step 3: Cross multiply
    11,441.08x = 17,130.41 × 8,659.34
  4. Step 4: Simplify right side
    11,441.08x = 148,338,044.53
  5. Step 5: Solve for x
    x = 148,338,044.53/11,441.08
  6. Step 6: Final answer
    x = 12,965.39

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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.