Home / 19,528.74-29,269.80-11,214.54

Finding the Fourth Proportional to 19,528.74, 29,269.80 and 11,214.54

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Solution

The fourth proportional to 19,528.74, 29,269.80 and 11,214.54 is: 16,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.74 : 29,269.80 = 11,214.54 : x
  2. Step 2: Convert to fraction form
    19,528.74/29,269.80 = 11,214.54/x
  3. Step 3: Cross multiply
    19,528.74x = 29,269.80 × 11,214.54
  4. Step 4: Simplify right side
    19,528.74x = 328,247,342.89
  5. Step 5: Solve for x
    x = 328,247,342.89/19,528.74
  6. Step 6: Final answer
    x = 16,808.42

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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.