Home / 19,273.02-28,936.02-9,920.76

Finding the Fourth Proportional to 19,273.02, 28,936.02 and 9,920.76

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Solution

The fourth proportional to 19,273.02, 28,936.02 and 9,920.76 is: 14,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.02 : 28,936.02 = 9,920.76 : x
  2. Step 2: Convert to fraction form
    19,273.02/28,936.02 = 9,920.76/x
  3. Step 3: Cross multiply
    19,273.02x = 28,936.02 × 9,920.76
  4. Step 4: Simplify right side
    19,273.02x = 287,067,309.78
  5. Step 5: Solve for x
    x = 287,067,309.78/19,273.02
  6. Step 6: Final answer
    x = 14,894.78

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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.