Home / 18,767.50-25,892.86-10,809.54

Finding the Fourth Proportional to 18,767.50, 25,892.86 and 10,809.54

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Solution

The fourth proportional to 18,767.50, 25,892.86 and 10,809.54 is: 14,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.50 : 25,892.86 = 10,809.54 : x
  2. Step 2: Convert to fraction form
    18,767.50/25,892.86 = 10,809.54/x
  3. Step 3: Cross multiply
    18,767.50x = 25,892.86 × 10,809.54
  4. Step 4: Simplify right side
    18,767.50x = 279,889,905.88
  5. Step 5: Solve for x
    x = 279,889,905.88/18,767.50
  6. Step 6: Final answer
    x = 14,913.54

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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.