Home / 9,192.68-13,789.46-2,619.32

Finding the Fourth Proportional to 9,192.68, 13,789.46 and 2,619.32

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Solution

The fourth proportional to 9,192.68, 13,789.46 and 2,619.32 is: 3,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.68 : 13,789.46 = 2,619.32 : x
  2. Step 2: Convert to fraction form
    9,192.68/13,789.46 = 2,619.32/x
  3. Step 3: Cross multiply
    9,192.68x = 13,789.46 × 2,619.32
  4. Step 4: Simplify right side
    9,192.68x = 36,119,008.37
  5. Step 5: Solve for x
    x = 36,119,008.37/9,192.68
  6. Step 6: Final answer
    x = 3,929.11

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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.