Home / 21,654.37-32,496.14-9,811.36

Finding the Fourth Proportional to 21,654.37, 32,496.14 and 9,811.36

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Solution

The fourth proportional to 21,654.37, 32,496.14 and 9,811.36 is: 14,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.37 : 32,496.14 = 9,811.36 : x
  2. Step 2: Convert to fraction form
    21,654.37/32,496.14 = 9,811.36/x
  3. Step 3: Cross multiply
    21,654.37x = 32,496.14 × 9,811.36
  4. Step 4: Simplify right side
    21,654.37x = 318,831,328.15
  5. Step 5: Solve for x
    x = 318,831,328.15/21,654.37
  6. Step 6: Final answer
    x = 14,723.65

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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.