Home / 18,664.89-25,757.54-10,281.39

Finding the Fourth Proportional to 18,664.89, 25,757.54 and 10,281.39

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Solution

The fourth proportional to 18,664.89, 25,757.54 and 10,281.39 is: 14,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.89 : 25,757.54 = 10,281.39 : x
  2. Step 2: Convert to fraction form
    18,664.89/25,757.54 = 10,281.39/x
  3. Step 3: Cross multiply
    18,664.89x = 25,757.54 × 10,281.39
  4. Step 4: Simplify right side
    18,664.89x = 264,823,185.39
  5. Step 5: Solve for x
    x = 264,823,185.39/18,664.89
  6. Step 6: Final answer
    x = 14,188.31

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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.