Home / 18,776.17-28,164.26-5,628.54

Finding the Fourth Proportional to 18,776.17, 28,164.26 and 5,628.54

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Solution

The fourth proportional to 18,776.17, 28,164.26 and 5,628.54 is: 8,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776.17 : 28,164.26 = 5,628.54 : x
  2. Step 2: Convert to fraction form
    18,776.17/28,164.26 = 5,628.54/x
  3. Step 3: Cross multiply
    18,776.17x = 28,164.26 × 5,628.54
  4. Step 4: Simplify right side
    18,776.17x = 158,523,663.98
  5. Step 5: Solve for x
    x = 158,523,663.98/18,776.17
  6. Step 6: Final answer
    x = 8,442.81

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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.