Home / 12,251.00-18,350.07-8,280.45

Finding the Fourth Proportional to 12,251.00, 18,350.07 and 8,280.45

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Solution

The fourth proportional to 12,251.00, 18,350.07 and 8,280.45 is: 12,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.00 : 18,350.07 = 8,280.45 : x
  2. Step 2: Convert to fraction form
    12,251.00/18,350.07 = 8,280.45/x
  3. Step 3: Cross multiply
    12,251.00x = 18,350.07 × 8,280.45
  4. Step 4: Simplify right side
    12,251.00x = 151,946,880.98
  5. Step 5: Solve for x
    x = 151,946,880.98/12,251.00
  6. Step 6: Final answer
    x = 12,402.82

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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.