Home / 13,320.94-19,975.20-3,957.52

Finding the Fourth Proportional to 13,320.94, 19,975.20 and 3,957.52

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Solution

The fourth proportional to 13,320.94, 19,975.20 and 3,957.52 is: 5,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.94 : 19,975.20 = 3,957.52 : x
  2. Step 2: Convert to fraction form
    13,320.94/19,975.20 = 3,957.52/x
  3. Step 3: Cross multiply
    13,320.94x = 19,975.20 × 3,957.52
  4. Step 4: Simplify right side
    13,320.94x = 79,052,253.50
  5. Step 5: Solve for x
    x = 79,052,253.50/13,320.94
  6. Step 6: Final answer
    x = 5,934.44

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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.