Home / 18,336.04-25,305.24-11,619.21

Finding the Fourth Proportional to 18,336.04, 25,305.24 and 11,619.21

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Solution

The fourth proportional to 18,336.04, 25,305.24 and 11,619.21 is: 16,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.04 : 25,305.24 = 11,619.21 : x
  2. Step 2: Convert to fraction form
    18,336.04/25,305.24 = 11,619.21/x
  3. Step 3: Cross multiply
    18,336.04x = 25,305.24 × 11,619.21
  4. Step 4: Simplify right side
    18,336.04x = 294,027,036.13
  5. Step 5: Solve for x
    x = 294,027,036.13/18,336.04
  6. Step 6: Final answer
    x = 16,035.47

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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.