Home / 12,500.72-17,251.36-6,835.80

Finding the Fourth Proportional to 12,500.72, 17,251.36 and 6,835.80

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Solution

The fourth proportional to 12,500.72, 17,251.36 and 6,835.80 is: 9,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.72 : 17,251.36 = 6,835.80 : x
  2. Step 2: Convert to fraction form
    12,500.72/17,251.36 = 6,835.80/x
  3. Step 3: Cross multiply
    12,500.72x = 17,251.36 × 6,835.80
  4. Step 4: Simplify right side
    12,500.72x = 117,926,846.69
  5. Step 5: Solve for x
    x = 117,926,846.69/12,500.72
  6. Step 6: Final answer
    x = 9,433.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.