Home / 14,402.40-19,874.58-8,114.64

Finding the Fourth Proportional to 14,402.40, 19,874.58 and 8,114.64

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Solution

The fourth proportional to 14,402.40, 19,874.58 and 8,114.64 is: 11,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.40 : 19,874.58 = 8,114.64 : x
  2. Step 2: Convert to fraction form
    14,402.40/19,874.58 = 8,114.64/x
  3. Step 3: Cross multiply
    14,402.40x = 19,874.58 × 8,114.64
  4. Step 4: Simplify right side
    14,402.40x = 161,275,061.85
  5. Step 5: Solve for x
    x = 161,275,061.85/14,402.40
  6. Step 6: Final answer
    x = 11,197.79

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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.