Home / 19,923.52-29,905.44-13,328.32

Finding the Fourth Proportional to 19,923.52, 29,905.44 and 13,328.32

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Solution

The fourth proportional to 19,923.52, 29,905.44 and 13,328.32 is: 20,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.52 : 29,905.44 = 13,328.32 : x
  2. Step 2: Convert to fraction form
    19,923.52/29,905.44 = 13,328.32/x
  3. Step 3: Cross multiply
    19,923.52x = 29,905.44 × 13,328.32
  4. Step 4: Simplify right side
    19,923.52x = 398,589,274.06
  5. Step 5: Solve for x
    x = 398,589,274.06/19,923.52
  6. Step 6: Final answer
    x = 20,005.97

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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.