Home / 14,362.40-21,541.88-3,833.21

Finding the Fourth Proportional to 14,362.40, 21,541.88 and 3,833.21

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Solution

The fourth proportional to 14,362.40, 21,541.88 and 3,833.21 is: 5,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.40 : 21,541.88 = 3,833.21 : x
  2. Step 2: Convert to fraction form
    14,362.40/21,541.88 = 3,833.21/x
  3. Step 3: Cross multiply
    14,362.40x = 21,541.88 × 3,833.21
  4. Step 4: Simplify right side
    14,362.40x = 82,574,613.27
  5. Step 5: Solve for x
    x = 82,574,613.27/14,362.40
  6. Step 6: Final answer
    x = 5,749.36

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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.