Home / 21,301.11-31,968.07-9,622.53

Finding the Fourth Proportional to 21,301.11, 31,968.07 and 9,622.53

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Solution

The fourth proportional to 21,301.11, 31,968.07 and 9,622.53 is: 14,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301.11 : 31,968.07 = 9,622.53 : x
  2. Step 2: Convert to fraction form
    21,301.11/31,968.07 = 9,622.53/x
  3. Step 3: Cross multiply
    21,301.11x = 31,968.07 × 9,622.53
  4. Step 4: Simplify right side
    21,301.11x = 307,613,688.56
  5. Step 5: Solve for x
    x = 307,613,688.56/21,301.11
  6. Step 6: Final answer
    x = 14,441.20

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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.