Home / 19,623.20-29,367.60-11,837.60

Finding the Fourth Proportional to 19,623.20, 29,367.60 and 11,837.60

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Solution

The fourth proportional to 19,623.20, 29,367.60 and 11,837.60 is: 17,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.20 : 29,367.60 = 11,837.60 : x
  2. Step 2: Convert to fraction form
    19,623.20/29,367.60 = 11,837.60/x
  3. Step 3: Cross multiply
    19,623.20x = 29,367.60 × 11,837.60
  4. Step 4: Simplify right side
    19,623.20x = 347,641,901.76
  5. Step 5: Solve for x
    x = 347,641,901.76/19,623.20
  6. Step 6: Final answer
    x = 17,715.86

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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.