Home / 14,005.44-21,008.32-9,609.60

Finding the Fourth Proportional to 14,005.44, 21,008.32 and 9,609.60

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Solution

The fourth proportional to 14,005.44, 21,008.32 and 9,609.60 is: 14,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.44 : 21,008.32 = 9,609.60 : x
  2. Step 2: Convert to fraction form
    14,005.44/21,008.32 = 9,609.60/x
  3. Step 3: Cross multiply
    14,005.44x = 21,008.32 × 9,609.60
  4. Step 4: Simplify right side
    14,005.44x = 201,881,551.87
  5. Step 5: Solve for x
    x = 201,881,551.87/14,005.44
  6. Step 6: Final answer
    x = 14,414.51

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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.