Home / 18,777.34-28,164.93-5,629.96

Finding the Fourth Proportional to 18,777.34, 28,164.93 and 5,629.96

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Solution

The fourth proportional to 18,777.34, 28,164.93 and 5,629.96 is: 8,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.34 : 28,164.93 = 5,629.96 : x
  2. Step 2: Convert to fraction form
    18,777.34/28,164.93 = 5,629.96/x
  3. Step 3: Cross multiply
    18,777.34x = 28,164.93 × 5,629.96
  4. Step 4: Simplify right side
    18,777.34x = 158,567,429.30
  5. Step 5: Solve for x
    x = 158,567,429.30/18,777.34
  6. Step 6: Final answer
    x = 8,444.62

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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.