Home / 18,845.48-28,277.66-8,982.28

Finding the Fourth Proportional to 18,845.48, 28,277.66 and 8,982.28

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Solution

The fourth proportional to 18,845.48, 28,277.66 and 8,982.28 is: 13,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.48 : 28,277.66 = 8,982.28 : x
  2. Step 2: Convert to fraction form
    18,845.48/28,277.66 = 8,982.28/x
  3. Step 3: Cross multiply
    18,845.48x = 28,277.66 × 8,982.28
  4. Step 4: Simplify right side
    18,845.48x = 253,997,859.86
  5. Step 5: Solve for x
    x = 253,997,859.86/18,845.48
  6. Step 6: Final answer
    x = 13,477.92

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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.