Home / 18,943.02-28,414.52-7,846.72

Finding the Fourth Proportional to 18,943.02, 28,414.52 and 7,846.72

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Solution

The fourth proportional to 18,943.02, 28,414.52 and 7,846.72 is: 11,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.02 : 28,414.52 = 7,846.72 : x
  2. Step 2: Convert to fraction form
    18,943.02/28,414.52 = 7,846.72/x
  3. Step 3: Cross multiply
    18,943.02x = 28,414.52 × 7,846.72
  4. Step 4: Simplify right side
    18,943.02x = 222,960,782.37
  5. Step 5: Solve for x
    x = 222,960,782.37/18,943.02
  6. Step 6: Final answer
    x = 11,770.08

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Similar ratio
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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.