Home / 18,997.77-28,496.34-4,957.86

Finding the Fourth Proportional to 18,997.77, 28,496.34 and 4,957.86

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Solution

The fourth proportional to 18,997.77, 28,496.34 and 4,957.86 is: 7,436.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.77 : 28,496.34 = 4,957.86 : x
  2. Step 2: Convert to fraction form
    18,997.77/28,496.34 = 4,957.86/x
  3. Step 3: Cross multiply
    18,997.77x = 28,496.34 × 4,957.86
  4. Step 4: Simplify right side
    18,997.77x = 141,280,864.23
  5. Step 5: Solve for x
    x = 141,280,864.23/18,997.77
  6. Step 6: Final answer
    x = 7,436.71

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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.