Home / 19,388.72-29,083.08-5,348.86

Finding the Fourth Proportional to 19,388.72, 29,083.08 and 5,348.86

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Solution

The fourth proportional to 19,388.72, 29,083.08 and 5,348.86 is: 8,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.72 : 29,083.08 = 5,348.86 : x
  2. Step 2: Convert to fraction form
    19,388.72/29,083.08 = 5,348.86/x
  3. Step 3: Cross multiply
    19,388.72x = 29,083.08 × 5,348.86
  4. Step 4: Simplify right side
    19,388.72x = 155,561,323.29
  5. Step 5: Solve for x
    x = 155,561,323.29/19,388.72
  6. Step 6: Final answer
    x = 8,023.29

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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.