Home / 18,319.85-25,284.99-10,768.62

Finding the Fourth Proportional to 18,319.85, 25,284.99 and 10,768.62

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Solution

The fourth proportional to 18,319.85, 25,284.99 and 10,768.62 is: 14,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.85 : 25,284.99 = 10,768.62 : x
  2. Step 2: Convert to fraction form
    18,319.85/25,284.99 = 10,768.62/x
  3. Step 3: Cross multiply
    18,319.85x = 25,284.99 × 10,768.62
  4. Step 4: Simplify right side
    18,319.85x = 272,284,449.01
  5. Step 5: Solve for x
    x = 272,284,449.01/18,319.85
  6. Step 6: Final answer
    x = 14,862.81

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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.