Home / 16,379.38-24,569.70-5,286.25

Finding the Fourth Proportional to 16,379.38, 24,569.70 and 5,286.25

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Solution

The fourth proportional to 16,379.38, 24,569.70 and 5,286.25 is: 7,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.38 : 24,569.70 = 5,286.25 : x
  2. Step 2: Convert to fraction form
    16,379.38/24,569.70 = 5,286.25/x
  3. Step 3: Cross multiply
    16,379.38x = 24,569.70 × 5,286.25
  4. Step 4: Simplify right side
    16,379.38x = 129,881,576.63
  5. Step 5: Solve for x
    x = 129,881,576.63/16,379.38
  6. Step 6: Final answer
    x = 7,929.58

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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.