Home / 19,846.85-29,772.92-10,487.25

Finding the Fourth Proportional to 19,846.85, 29,772.92 and 10,487.25

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Solution

The fourth proportional to 19,846.85, 29,772.92 and 10,487.25 is: 15,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,846.85 : 29,772.92 = 10,487.25 : x
  2. Step 2: Convert to fraction form
    19,846.85/29,772.92 = 10,487.25/x
  3. Step 3: Cross multiply
    19,846.85x = 29,772.92 × 10,487.25
  4. Step 4: Simplify right side
    19,846.85x = 312,236,129.70
  5. Step 5: Solve for x
    x = 312,236,129.70/19,846.85
  6. Step 6: Final answer
    x = 15,732.27

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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.