Home / 14,433.28-21,651.36-6,644.32

Finding the Fourth Proportional to 14,433.28, 21,651.36 and 6,644.32

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Solution

The fourth proportional to 14,433.28, 21,651.36 and 6,644.32 is: 9,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433.28 : 21,651.36 = 6,644.32 : x
  2. Step 2: Convert to fraction form
    14,433.28/21,651.36 = 6,644.32/x
  3. Step 3: Cross multiply
    14,433.28x = 21,651.36 × 6,644.32
  4. Step 4: Simplify right side
    14,433.28x = 143,858,564.28
  5. Step 5: Solve for x
    x = 143,858,564.28/14,433.28
  6. Step 6: Final answer
    x = 9,967.14

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1.5x scale

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.