Home / 14,635.22-20,199.58-9,921.02

Finding the Fourth Proportional to 14,635.22, 20,199.58 and 9,921.02

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Solution

The fourth proportional to 14,635.22, 20,199.58 and 9,921.02 is: 13,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.22 : 20,199.58 = 9,921.02 : x
  2. Step 2: Convert to fraction form
    14,635.22/20,199.58 = 9,921.02/x
  3. Step 3: Cross multiply
    14,635.22x = 20,199.58 × 9,921.02
  4. Step 4: Simplify right side
    14,635.22x = 200,400,311.37
  5. Step 5: Solve for x
    x = 200,400,311.37/14,635.22
  6. Step 6: Final answer
    x = 13,693.02

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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.