Home / 18,852.48-28,278.65-5,704.83

Finding the Fourth Proportional to 18,852.48, 28,278.65 and 5,704.83

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Solution

The fourth proportional to 18,852.48, 28,278.65 and 5,704.83 is: 8,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.48 : 28,278.65 = 5,704.83 : x
  2. Step 2: Convert to fraction form
    18,852.48/28,278.65 = 5,704.83/x
  3. Step 3: Cross multiply
    18,852.48x = 28,278.65 × 5,704.83
  4. Step 4: Simplify right side
    18,852.48x = 161,324,905.14
  5. Step 5: Solve for x
    x = 161,324,905.14/18,852.48
  6. Step 6: Final answer
    x = 8,557.22

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Double scale
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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.