Home / 20,130.92-30,184.58-13,474.99

Finding the Fourth Proportional to 20,130.92, 30,184.58 and 13,474.99

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Solution

The fourth proportional to 20,130.92, 30,184.58 and 13,474.99 is: 20,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130.92 : 30,184.58 = 13,474.99 : x
  2. Step 2: Convert to fraction form
    20,130.92/30,184.58 = 13,474.99/x
  3. Step 3: Cross multiply
    20,130.92x = 30,184.58 × 13,474.99
  4. Step 4: Simplify right side
    20,130.92x = 406,736,965.87
  5. Step 5: Solve for x
    x = 406,736,965.87/20,130.92
  6. Step 6: Final answer
    x = 20,204.59

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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.