Home / 18,753.60-28,131.89-6,273.69

Finding the Fourth Proportional to 18,753.60, 28,131.89 and 6,273.69

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Solution

The fourth proportional to 18,753.60, 28,131.89 and 6,273.69 is: 9,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.60 : 28,131.89 = 6,273.69 : x
  2. Step 2: Convert to fraction form
    18,753.60/28,131.89 = 6,273.69/x
  3. Step 3: Cross multiply
    18,753.60x = 28,131.89 × 6,273.69
  4. Step 4: Simplify right side
    18,753.60x = 176,490,725.61
  5. Step 5: Solve for x
    x = 176,490,725.61/18,753.60
  6. Step 6: Final answer
    x = 9,411.03

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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.