Home / 14,464.10-19,960.16-8,090.79

Finding the Fourth Proportional to 14,464.10, 19,960.16 and 8,090.79

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Solution

The fourth proportional to 14,464.10, 19,960.16 and 8,090.79 is: 11,165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.10 : 19,960.16 = 8,090.79 : x
  2. Step 2: Convert to fraction form
    14,464.10/19,960.16 = 8,090.79/x
  3. Step 3: Cross multiply
    14,464.10x = 19,960.16 × 8,090.79
  4. Step 4: Simplify right side
    14,464.10x = 161,493,422.47
  5. Step 5: Solve for x
    x = 161,493,422.47/14,464.10
  6. Step 6: Final answer
    x = 11,165.12

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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.