Home / 19,539.19-29,288.13-6,388.03

Finding the Fourth Proportional to 19,539.19, 29,288.13 and 6,388.03

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Solution

The fourth proportional to 19,539.19, 29,288.13 and 6,388.03 is: 9,575.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.19 : 29,288.13 = 6,388.03 : x
  2. Step 2: Convert to fraction form
    19,539.19/29,288.13 = 6,388.03/x
  3. Step 3: Cross multiply
    19,539.19x = 29,288.13 × 6,388.03
  4. Step 4: Simplify right side
    19,539.19x = 187,093,453.08
  5. Step 5: Solve for x
    x = 187,093,453.08/19,539.19
  6. Step 6: Final answer
    x = 9,575.29

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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.