Home / 19,280.53-28,910.04-5,949.74

Finding the Fourth Proportional to 19,280.53, 28,910.04 and 5,949.74

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Solution

The fourth proportional to 19,280.53, 28,910.04 and 5,949.74 is: 8,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.53 : 28,910.04 = 5,949.74 : x
  2. Step 2: Convert to fraction form
    19,280.53/28,910.04 = 5,949.74/x
  3. Step 3: Cross multiply
    19,280.53x = 28,910.04 × 5,949.74
  4. Step 4: Simplify right side
    19,280.53x = 172,007,076.84
  5. Step 5: Solve for x
    x = 172,007,076.84/19,280.53
  6. Step 6: Final answer
    x = 8,921.29

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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.