Home / 14,233.56-21,354.90-6,440.28

Finding the Fourth Proportional to 14,233.56, 21,354.90 and 6,440.28

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Solution

The fourth proportional to 14,233.56, 21,354.90 and 6,440.28 is: 9,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.56 : 21,354.90 = 6,440.28 : x
  2. Step 2: Convert to fraction form
    14,233.56/21,354.90 = 6,440.28/x
  3. Step 3: Cross multiply
    14,233.56x = 21,354.90 × 6,440.28
  4. Step 4: Simplify right side
    14,233.56x = 137,531,535.37
  5. Step 5: Solve for x
    x = 137,531,535.37/14,233.56
  6. Step 6: Final answer
    x = 9,662.48

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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.