Home / 15,892.20-23,789.70-14,142.60

Finding the Fourth Proportional to 15,892.20, 23,789.70 and 14,142.60

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Solution

The fourth proportional to 15,892.20, 23,789.70 and 14,142.60 is: 21,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,892.20 : 23,789.70 = 14,142.60 : x
  2. Step 2: Convert to fraction form
    15,892.20/23,789.70 = 14,142.60/x
  3. Step 3: Cross multiply
    15,892.20x = 23,789.70 × 14,142.60
  4. Step 4: Simplify right side
    15,892.20x = 336,448,211.22
  5. Step 5: Solve for x
    x = 336,448,211.22/15,892.20
  6. Step 6: Final answer
    x = 21,170.65

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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.