Home / 19,267.40-28,901.10-5,414.60

Finding the Fourth Proportional to 19,267.40, 28,901.10 and 5,414.60

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Solution

The fourth proportional to 19,267.40, 28,901.10 and 5,414.60 is: 8,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.40 : 28,901.10 = 5,414.60 : x
  2. Step 2: Convert to fraction form
    19,267.40/28,901.10 = 5,414.60/x
  3. Step 3: Cross multiply
    19,267.40x = 28,901.10 × 5,414.60
  4. Step 4: Simplify right side
    19,267.40x = 156,487,896.06
  5. Step 5: Solve for x
    x = 156,487,896.06/19,267.40
  6. Step 6: Final answer
    x = 8,121.90

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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.