Home / 19,690.49-29,529.36-6,539.33

Finding the Fourth Proportional to 19,690.49, 29,529.36 and 6,539.33

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Solution

The fourth proportional to 19,690.49, 29,529.36 and 6,539.33 is: 9,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.49 : 29,529.36 = 6,539.33 : x
  2. Step 2: Convert to fraction form
    19,690.49/29,529.36 = 6,539.33/x
  3. Step 3: Cross multiply
    19,690.49x = 29,529.36 × 6,539.33
  4. Step 4: Simplify right side
    19,690.49x = 193,102,303.55
  5. Step 5: Solve for x
    x = 193,102,303.55/19,690.49
  6. Step 6: Final answer
    x = 9,806.88

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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.