Home / 18,801.48-28,202.91-6,321.93

Finding the Fourth Proportional to 18,801.48, 28,202.91 and 6,321.93

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Solution

The fourth proportional to 18,801.48, 28,202.91 and 6,321.93 is: 9,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.48 : 28,202.91 = 6,321.93 : x
  2. Step 2: Convert to fraction form
    18,801.48/28,202.91 = 6,321.93/x
  3. Step 3: Cross multiply
    18,801.48x = 28,202.91 × 6,321.93
  4. Step 4: Simplify right side
    18,801.48x = 178,296,822.82
  5. Step 5: Solve for x
    x = 178,296,822.82/18,801.48
  6. Step 6: Final answer
    x = 9,483.13

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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.