Home / 12,489.04-17,249.05-8,503.23

Finding the Fourth Proportional to 12,489.04, 17,249.05 and 8,503.23

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Solution

The fourth proportional to 12,489.04, 17,249.05 and 8,503.23 is: 11,744.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,489.04 : 17,249.05 = 8,503.23 : x
  2. Step 2: Convert to fraction form
    12,489.04/17,249.05 = 8,503.23/x
  3. Step 3: Cross multiply
    12,489.04x = 17,249.05 × 8,503.23
  4. Step 4: Simplify right side
    12,489.04x = 146,672,639.43
  5. Step 5: Solve for x
    x = 146,672,639.43/12,489.04
  6. Step 6: Final answer
    x = 11,744.11

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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.