Home / 19,342.44-29,009.82-5,487.72

Finding the Fourth Proportional to 19,342.44, 29,009.82 and 5,487.72

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Solution

The fourth proportional to 19,342.44, 29,009.82 and 5,487.72 is: 8,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.44 : 29,009.82 = 5,487.72 : x
  2. Step 2: Convert to fraction form
    19,342.44/29,009.82 = 5,487.72/x
  3. Step 3: Cross multiply
    19,342.44x = 29,009.82 × 5,487.72
  4. Step 4: Simplify right side
    19,342.44x = 159,197,769.41
  5. Step 5: Solve for x
    x = 159,197,769.41/19,342.44
  6. Step 6: Final answer
    x = 8,230.49

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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.