Home / 14,249.34-21,374.31-4,889.28

Finding the Fourth Proportional to 14,249.34, 21,374.31 and 4,889.28

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Solution

The fourth proportional to 14,249.34, 21,374.31 and 4,889.28 is: 7,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.34 : 21,374.31 = 4,889.28 : x
  2. Step 2: Convert to fraction form
    14,249.34/21,374.31 = 4,889.28/x
  3. Step 3: Cross multiply
    14,249.34x = 21,374.31 × 4,889.28
  4. Step 4: Simplify right side
    14,249.34x = 104,505,084.89
  5. Step 5: Solve for x
    x = 104,505,084.89/14,249.34
  6. Step 6: Final answer
    x = 7,334.03

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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.