Home / 18,972.84-28,400.94-16,173.48

Finding the Fourth Proportional to 18,972.84, 28,400.94 and 16,173.48

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Solution

The fourth proportional to 18,972.84, 28,400.94 and 16,173.48 is: 24,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.84 : 28,400.94 = 16,173.48 : x
  2. Step 2: Convert to fraction form
    18,972.84/28,400.94 = 16,173.48/x
  3. Step 3: Cross multiply
    18,972.84x = 28,400.94 × 16,173.48
  4. Step 4: Simplify right side
    18,972.84x = 459,342,035.07
  5. Step 5: Solve for x
    x = 459,342,035.07/18,972.84
  6. Step 6: Final answer
    x = 24,210.50

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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.