Home / 10,143.48-15,217.62-3,217.98

Finding the Fourth Proportional to 10,143.48, 15,217.62 and 3,217.98

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Solution

The fourth proportional to 10,143.48, 15,217.62 and 3,217.98 is: 4,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.48 : 15,217.62 = 3,217.98 : x
  2. Step 2: Convert to fraction form
    10,143.48/15,217.62 = 3,217.98/x
  3. Step 3: Cross multiply
    10,143.48x = 15,217.62 × 3,217.98
  4. Step 4: Simplify right side
    10,143.48x = 48,969,996.81
  5. Step 5: Solve for x
    x = 48,969,996.81/10,143.48
  6. Step 6: Final answer
    x = 4,827.73

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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.