Home / 21,564.21-32,354.19-9,087.36

Finding the Fourth Proportional to 21,564.21, 32,354.19 and 9,087.36

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Solution

The fourth proportional to 21,564.21, 32,354.19 and 9,087.36 is: 13,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564.21 : 32,354.19 = 9,087.36 : x
  2. Step 2: Convert to fraction form
    21,564.21/32,354.19 = 9,087.36/x
  3. Step 3: Cross multiply
    21,564.21x = 32,354.19 × 9,087.36
  4. Step 4: Simplify right side
    21,564.21x = 294,014,172.04
  5. Step 5: Solve for x
    x = 294,014,172.04/21,564.21
  6. Step 6: Final answer
    x = 13,634.36

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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.