Home / 12,263.70-18,359.10-7,330.80

Finding the Fourth Proportional to 12,263.70, 18,359.10 and 7,330.80

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Solution

The fourth proportional to 12,263.70, 18,359.10 and 7,330.80 is: 10,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.70 : 18,359.10 = 7,330.80 : x
  2. Step 2: Convert to fraction form
    12,263.70/18,359.10 = 7,330.80/x
  3. Step 3: Cross multiply
    12,263.70x = 18,359.10 × 7,330.80
  4. Step 4: Simplify right side
    12,263.70x = 134,586,890.28
  5. Step 5: Solve for x
    x = 134,586,890.28/12,263.70
  6. Step 6: Final answer
    x = 10,974.41

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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.