Home / 18,664.85-25,757.49-10,281.35

Finding the Fourth Proportional to 18,664.85, 25,757.49 and 10,281.35

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Solution

The fourth proportional to 18,664.85, 25,757.49 and 10,281.35 is: 14,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.85 : 25,757.49 = 10,281.35 : x
  2. Step 2: Convert to fraction form
    18,664.85/25,757.49 = 10,281.35/x
  3. Step 3: Cross multiply
    18,664.85x = 25,757.49 × 10,281.35
  4. Step 4: Simplify right side
    18,664.85x = 264,821,641.02
  5. Step 5: Solve for x
    x = 264,821,641.02/18,664.85
  6. Step 6: Final answer
    x = 14,188.26

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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.