Home / 15,898.60-21,940.62-8,825.14

Finding the Fourth Proportional to 15,898.60, 21,940.62 and 8,825.14

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Solution

The fourth proportional to 15,898.60, 21,940.62 and 8,825.14 is: 12,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.60 : 21,940.62 = 8,825.14 : x
  2. Step 2: Convert to fraction form
    15,898.60/21,940.62 = 8,825.14/x
  3. Step 3: Cross multiply
    15,898.60x = 21,940.62 × 8,825.14
  4. Step 4: Simplify right side
    15,898.60x = 193,629,043.19
  5. Step 5: Solve for x
    x = 193,629,043.19/15,898.60
  6. Step 6: Final answer
    x = 12,179.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.