Home / 20,166.30-30,186.26-13,041.08

Finding the Fourth Proportional to 20,166.30, 30,186.26 and 13,041.08

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Solution

The fourth proportional to 20,166.30, 30,186.26 and 13,041.08 is: 19,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.30 : 30,186.26 = 13,041.08 : x
  2. Step 2: Convert to fraction form
    20,166.30/30,186.26 = 13,041.08/x
  3. Step 3: Cross multiply
    20,166.30x = 30,186.26 × 13,041.08
  4. Step 4: Simplify right side
    20,166.30x = 393,661,377.53
  5. Step 5: Solve for x
    x = 393,661,377.53/20,166.30
  6. Step 6: Final answer
    x = 19,520.75

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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.