Home / 14,610.68-20,164.60-9,579.14

Finding the Fourth Proportional to 14,610.68, 20,164.60 and 9,579.14

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Solution

The fourth proportional to 14,610.68, 20,164.60 and 9,579.14 is: 13,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.68 : 20,164.60 = 9,579.14 : x
  2. Step 2: Convert to fraction form
    14,610.68/20,164.60 = 9,579.14/x
  3. Step 3: Cross multiply
    14,610.68x = 20,164.60 × 9,579.14
  4. Step 4: Simplify right side
    14,610.68x = 193,159,526.44
  5. Step 5: Solve for x
    x = 193,159,526.44/14,610.68
  6. Step 6: Final answer
    x = 13,220.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.