Home / 19,270.80-28,898.64-6,787.44

Finding the Fourth Proportional to 19,270.80, 28,898.64 and 6,787.44

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Solution

The fourth proportional to 19,270.80, 28,898.64 and 6,787.44 is: 10,178.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.80 : 28,898.64 = 6,787.44 : x
  2. Step 2: Convert to fraction form
    19,270.80/28,898.64 = 6,787.44/x
  3. Step 3: Cross multiply
    19,270.80x = 28,898.64 × 6,787.44
  4. Step 4: Simplify right side
    19,270.80x = 196,147,785.08
  5. Step 5: Solve for x
    x = 196,147,785.08/19,270.80
  6. Step 6: Final answer
    x = 10,178.50

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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.