Home / 13,882.16-20,823.10-4,021.36

Finding the Fourth Proportional to 13,882.16, 20,823.10 and 4,021.36

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Solution

The fourth proportional to 13,882.16, 20,823.10 and 4,021.36 is: 6,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.16 : 20,823.10 = 4,021.36 : x
  2. Step 2: Convert to fraction form
    13,882.16/20,823.10 = 4,021.36/x
  3. Step 3: Cross multiply
    13,882.16x = 20,823.10 × 4,021.36
  4. Step 4: Simplify right side
    13,882.16x = 83,737,181.42
  5. Step 5: Solve for x
    x = 83,737,181.42/13,882.16
  6. Step 6: Final answer
    x = 6,032.00

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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.