Home / 9,518.92-14,279.34-3,278.11

Finding the Fourth Proportional to 9,518.92, 14,279.34 and 3,278.11

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Solution

The fourth proportional to 9,518.92, 14,279.34 and 3,278.11 is: 4,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.92 : 14,279.34 = 3,278.11 : x
  2. Step 2: Convert to fraction form
    9,518.92/14,279.34 = 3,278.11/x
  3. Step 3: Cross multiply
    9,518.92x = 14,279.34 × 3,278.11
  4. Step 4: Simplify right side
    9,518.92x = 46,809,282.95
  5. Step 5: Solve for x
    x = 46,809,282.95/9,518.92
  6. Step 6: Final answer
    x = 4,917.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.