Home / 18,317.32-25,279.15-10,359.54

Finding the Fourth Proportional to 18,317.32, 25,279.15 and 10,359.54

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Solution

The fourth proportional to 18,317.32, 25,279.15 and 10,359.54 is: 14,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.32 : 25,279.15 = 10,359.54 : x
  2. Step 2: Convert to fraction form
    18,317.32/25,279.15 = 10,359.54/x
  3. Step 3: Cross multiply
    18,317.32x = 25,279.15 × 10,359.54
  4. Step 4: Simplify right side
    18,317.32x = 261,880,365.59
  5. Step 5: Solve for x
    x = 261,880,365.59/18,317.32
  6. Step 6: Final answer
    x = 14,296.87

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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.