Home / 20,355.03-30,521.54-6,309.02

Finding the Fourth Proportional to 20,355.03, 30,521.54 and 6,309.02

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Solution

The fourth proportional to 20,355.03, 30,521.54 and 6,309.02 is: 9,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355.03 : 30,521.54 = 6,309.02 : x
  2. Step 2: Convert to fraction form
    20,355.03/30,521.54 = 6,309.02/x
  3. Step 3: Cross multiply
    20,355.03x = 30,521.54 × 6,309.02
  4. Step 4: Simplify right side
    20,355.03x = 192,561,098.37
  5. Step 5: Solve for x
    x = 192,561,098.37/20,355.03
  6. Step 6: Final answer
    x = 9,460.12

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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.