Home / 14,433.28-21,646.27-7,409.37

Finding the Fourth Proportional to 14,433.28, 21,646.27 and 7,409.37

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Solution

The fourth proportional to 14,433.28, 21,646.27 and 7,409.37 is: 11,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433.28 : 21,646.27 = 7,409.37 : x
  2. Step 2: Convert to fraction form
    14,433.28/21,646.27 = 7,409.37/x
  3. Step 3: Cross multiply
    14,433.28x = 21,646.27 × 7,409.37
  4. Step 4: Simplify right side
    14,433.28x = 160,385,223.55
  5. Step 5: Solve for x
    x = 160,385,223.55/14,433.28
  6. Step 6: Final answer
    x = 11,112.18

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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.