Home / 14,887.30-20,540.10-9,226.22

Finding the Fourth Proportional to 14,887.30, 20,540.10 and 9,226.22

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Solution

The fourth proportional to 14,887.30, 20,540.10 and 9,226.22 is: 12,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.30 : 20,540.10 = 9,226.22 : x
  2. Step 2: Convert to fraction form
    14,887.30/20,540.10 = 9,226.22/x
  3. Step 3: Cross multiply
    14,887.30x = 20,540.10 × 9,226.22
  4. Step 4: Simplify right side
    14,887.30x = 189,507,481.42
  5. Step 5: Solve for x
    x = 189,507,481.42/14,887.30
  6. Step 6: Final answer
    x = 12,729.47

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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.