Home / 13,541.74-20,295.28-11,779.38

Finding the Fourth Proportional to 13,541.74, 20,295.28 and 11,779.38

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Solution

The fourth proportional to 13,541.74, 20,295.28 and 11,779.38 is: 17,654.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.74 : 20,295.28 = 11,779.38 : x
  2. Step 2: Convert to fraction form
    13,541.74/20,295.28 = 11,779.38/x
  3. Step 3: Cross multiply
    13,541.74x = 20,295.28 × 11,779.38
  4. Step 4: Simplify right side
    13,541.74x = 239,065,815.33
  5. Step 5: Solve for x
    x = 239,065,815.33/13,541.74
  6. Step 6: Final answer
    x = 17,654.00

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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.