Home / 19,273.60-28,910.40-6,127.30

Finding the Fourth Proportional to 19,273.60, 28,910.40 and 6,127.30

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Solution

The fourth proportional to 19,273.60, 28,910.40 and 6,127.30 is: 9,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.60 : 28,910.40 = 6,127.30 : x
  2. Step 2: Convert to fraction form
    19,273.60/28,910.40 = 6,127.30/x
  3. Step 3: Cross multiply
    19,273.60x = 28,910.40 × 6,127.30
  4. Step 4: Simplify right side
    19,273.60x = 177,142,693.92
  5. Step 5: Solve for x
    x = 177,142,693.92/19,273.60
  6. Step 6: Final answer
    x = 9,190.95

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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.