Home / 14,394.24-19,863.36-8,108.64

Finding the Fourth Proportional to 14,394.24, 19,863.36 and 8,108.64

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Solution

The fourth proportional to 14,394.24, 19,863.36 and 8,108.64 is: 11,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.24 : 19,863.36 = 8,108.64 : x
  2. Step 2: Convert to fraction form
    14,394.24/19,863.36 = 8,108.64/x
  3. Step 3: Cross multiply
    14,394.24x = 19,863.36 × 8,108.64
  4. Step 4: Simplify right side
    14,394.24x = 161,064,835.43
  5. Step 5: Solve for x
    x = 161,064,835.43/14,394.24
  6. Step 6: Final answer
    x = 11,189.53

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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.