Home / 12,528.98-18,793.84-3,763.92

Finding the Fourth Proportional to 12,528.98, 18,793.84 and 3,763.92

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Solution

The fourth proportional to 12,528.98, 18,793.84 and 3,763.92 is: 5,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.98 : 18,793.84 = 3,763.92 : x
  2. Step 2: Convert to fraction form
    12,528.98/18,793.84 = 3,763.92/x
  3. Step 3: Cross multiply
    12,528.98x = 18,793.84 × 3,763.92
  4. Step 4: Simplify right side
    12,528.98x = 70,738,510.25
  5. Step 5: Solve for x
    x = 70,738,510.25/12,528.98
  6. Step 6: Final answer
    x = 5,645.99

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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.