Home / 19,840.91-29,742.37-7,357.59

Finding the Fourth Proportional to 19,840.91, 29,742.37 and 7,357.59

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Solution

The fourth proportional to 19,840.91, 29,742.37 and 7,357.59 is: 11,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.91 : 29,742.37 = 7,357.59 : x
  2. Step 2: Convert to fraction form
    19,840.91/29,742.37 = 7,357.59/x
  3. Step 3: Cross multiply
    19,840.91x = 29,742.37 × 7,357.59
  4. Step 4: Simplify right side
    19,840.91x = 218,832,164.09
  5. Step 5: Solve for x
    x = 218,832,164.09/19,840.91
  6. Step 6: Final answer
    x = 11,029.34

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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.