Home / 12,528.26-17,302.11-8,559.62

Finding the Fourth Proportional to 12,528.26, 17,302.11 and 8,559.62

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Solution

The fourth proportional to 12,528.26, 17,302.11 and 8,559.62 is: 11,821.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.26 : 17,302.11 = 8,559.62 : x
  2. Step 2: Convert to fraction form
    12,528.26/17,302.11 = 8,559.62/x
  3. Step 3: Cross multiply
    12,528.26x = 17,302.11 × 8,559.62
  4. Step 4: Simplify right side
    12,528.26x = 148,099,486.80
  5. Step 5: Solve for x
    x = 148,099,486.80/12,528.26
  6. Step 6: Final answer
    x = 11,821.23

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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.